OpenTechnical

OT-2026-000023747

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000023747) never changes.

Identity and time

Publication numberOT-2026-000023747 · never reused
Internal UUID01a0ae70-aed4-7dad-bce2-a16a850980dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023747
StatusPUBLIC

Content hashes

Canonical text1e9f89558d29985f6a57535766dee24c1a8f707f2ead96b0b730252422930c67
Markdownaa346e1ded327a1d2aabd9f46eaf957c68b23de52299e5bb118865cf587373f8
PDF
Publication pagefc0fc450a0bd9cadc2c594047accf03a02e6d37fb3aec446b6a35c5a09f470e9
Manifesta8319422e2c50e4c9ebf2c366cc44c4fb17384268e844c5db5f7c8ae5de1f765

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
SignaturevtjjiNHHV8RRkIppT+7+LIvRXkxR7WPMSEKklUwxr5ynYmCJ7pJ0BXDYEGSbkX0O2ESCqPGWRHaOtgGQgsPEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:50:05.842821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023747
observed fc0fc450a0bd9cadc2c594047accf03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:05.819148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023747/manifest.json
observed a8319422e2c50e4c9ebf2c366cc44c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:05.792596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023747/publication.md
observed aa346e1ded327a1d2aabd9f46eaf957c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:05.774309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023747/publication.txt
observed 1e9f89558d29985f6a57535766dee24c...
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.