OpenTechnical

OT-2026-000057123

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057123) never changes.

Identity and time

Publication numberOT-2026-000057123 · never reused
Internal UUID01a0ae87-d5b9-761c-b707-224e41a783ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057123
StatusPUBLIC

Content hashes

Canonical textc99ed287895e066a8ae937e0666226bdf0b9628b8756400f436fa08325f8bd41
Markdown4b9826a5ac50fba4cd58064d6ed80576f293e44def2d31c48e4388e8b23d9fe8
PDF
Publication page2848e958cdeff5ad3af819b463acb7071e1b357f21345bf66bb91951e49d7164
Manifest9a74d33355dd4e6ffb2f8278d4025aba36a11b97e5d3b5e3d10d6d909ac319fa

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature5QOojiSQ2Eojk2SwFR/CTDyfJbeXXS72oWKzMU9f3TqIXiE0N3SmmLaufMtbYLk8wn1r7UeX/qUZlSAa/LZQAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:05.849758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123
observed 2848e958cdeff5ad3af819b463acb707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.828585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123/manifest.json
observed 9a74d33355dd4e6ffb2f8278d4025aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.806747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123/publication.md
observed 4b9826a5ac50fba4cd58064d6ed80576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:05.787240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123/publication.txt
observed c99ed287895e066a8ae937e0666226bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.519595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123
observed 2848e958cdeff5ad3af819b463acb707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.501640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123/manifest.json
observed 9a74d33355dd4e6ffb2f8278d4025aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.485842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123/publication.md
observed 4b9826a5ac50fba4cd58064d6ed80576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:14.468632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057123/publication.txt
observed c99ed287895e066a8ae937e0666226bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.