OpenTechnical

OT-2026-000077628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077628) never changes.

Identity and time

Publication numberOT-2026-000077628 · never reused
Internal UUID01a0ae95-2ecf-7df8-8896-60c8d4261638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077628
StatusPUBLIC

Content hashes

Canonical text51777333d00d9666e64252d65e602220ae7f3fd3529025ab5aa48f9b08b6163b
Markdown020ea747f95b79246cb1556eb0cd1dc490f8163bf25f1b88f2934b0c3ddb080e
PDF
Publication page099f9e2f1715fa9d8ec02eaef1e1592cd65b2ce7cdd57f4244a2e78504224381
Manifest9a7ad75f08a69a865b377160ef264878030f960e16d272ec2f48aad2492dc616

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
Signature3Q2bwPvz8WUwKvC7xZgO93EfiecXIDHDxspppZ9tj72yOEJMAolG7CocSixyx8aG2Licw2tNdazbFpLs/SJACA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:11.482568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077628
observed 099f9e2f1715fa9d8ec02eaef1e1592c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.462441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077628/manifest.json
observed 9a7ad75f08a69a865b377160ef264878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.443503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077628/publication.md
observed 020ea747f95b79246cb1556eb0cd1dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:11.424187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077628/publication.txt
observed 51777333d00d9666e64252d65e602220...
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.