OpenTechnical

OT-2026-000074876

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074876) never changes.

Identity and time

Publication numberOT-2026-000074876 · never reused
Internal UUID01a0ae93-ac2c-7794-9030-fb2184c12493 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074876
StatusPUBLIC

Content hashes

Canonical text1d65b490e8b52fb0c899521a2365961f2887681c2869058ed63b07bc4c1193e9
Markdown5d8166b688230c89b4dee87cc97ca2d19dcc036637d04308698ee6c1f29e103a
PDF
Publication page86719864a521a877412b2e15eb592ae1d019351690c72a9871d6fe142abcc0b0
Manifest35da80e93c1503914df963589d9ca6911793a365e6518ae9b7a7849455de402c

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
Signature13DZi3pNW4GKC6QnJha8QhefdukCdMvlGHLK9U43fV4XMG1oNxsd+cUheIBJcxRmvoXzgqJbFDBCU+WOUWW7CQ==
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

2026-09-17T10:18:35.721396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074876
observed 86719864a521a877412b2e15eb592ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.701507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074876/manifest.json
observed 35da80e93c1503914df963589d9ca691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.682310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074876/publication.md
observed 5d8166b688230c89b4dee87cc97ca2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:35.664892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074876/publication.txt
observed 1d65b490e8b52fb0c899521a2365961f...
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.