OpenTechnical

OT-2026-000057211

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000057211) never changes.

Identity and time

Publication numberOT-2026-000057211 · never reused
Internal UUID01a0ae87-d5bb-7c63-a99e-b5ba70ee4ae1 · 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-2026-000057211
StatusPUBLIC

Content hashes

Canonical texta2fc86ed4e09f9b9fbe26a7c7c631f2b21a1ad7d6e0c6645e53e8081a77a17e9
Markdown0bd3be64c7e5174b0326e527804482058679e8d7537088577fa0347fb60bf5da
PDF
Publication page6c561db54084a22c26d0e0fd457203c195ec265bcaa5cb3cb461de0879c5622e
Manifest1ed9697e4b99f5b56e3d4f6de7cf20492a13888d4bf113de0722e4e2e50fbdc8

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
Signatureq6UjTTHeVSR/FG1K+qptJB0a7ucLu574e5x3d8CU3BxDs52fa4RYdOc1RiBXFIUvUKbiSddeafSrKFRH8HPuCg==
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

2026-09-17T10:50:15.748111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211
observed 6c561db54084a22c26d0e0fd457203c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.728408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211/manifest.json
observed 1ed9697e4b99f5b56e3d4f6de7cf2049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.710544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211/publication.md
observed 0bd3be64c7e5174b0326e52780448205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.692860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211/publication.txt
observed a2fc86ed4e09f9b9fbe26a7c7c631f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.448595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211
observed 6c561db54084a22c26d0e0fd457203c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.430651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211/manifest.json
observed 1ed9697e4b99f5b56e3d4f6de7cf2049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.412993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211/publication.md
observed 0bd3be64c7e5174b0326e52780448205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:21.396466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057211/publication.txt
observed a2fc86ed4e09f9b9fbe26a7c7c631f2b...
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.