OpenTechnical

OT-2026-000071438

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000071438) never changes.

Identity and time

Publication numberOT-2026-000071438 · never reused
Internal UUID01a0ae91-e0ed-7bda-bf70-e1f345c11b15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071438
StatusPUBLIC

Content hashes

Canonical text7b4b610de9da0886c057ccece671fa88b8208d771b4064f696587ff63954d848
Markdown62708637b1f38ebdf2520fbc9c35c1777b72b3ee977714d12ee010abbdd36daa
PDF
Publication page1b3c82ace1353614ca37dcb10bb10318664f8e276c6bf27841737b435a0387b0
Manifestcaef0d690a2d0a866f12a7c67a21df37bfbf1c9c2116604d44fd8bb1c02e26b7

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
SignaturewBC0oVBNgal1eSdjpTL/f1HljRiY4X7vpuu2UoemV5aGm2vRq1NbmRr3tEPrGBCEpKBskEzPQ8bxJnhJAwW2AQ==
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

2026-09-17T10:25:04.753867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071438
observed 1b3c82ace1353614ca37dcb10bb10318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.734805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071438/manifest.json
observed caef0d690a2d0a866f12a7c67a21df37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.716419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071438/publication.md
observed 62708637b1f38ebdf2520fbc9c35c177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.699099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071438/publication.txt
observed 7b4b610de9da0886c057ccece671fa88...
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.