OpenTechnical

OT-2026-000053417

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line 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-2026-000053417) never changes.

Identity and time

Publication numberOT-2026-000053417 · never reused
Internal UUID01a0ae85-0a8f-7458-b30e-642cd0b2df64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053417
StatusPUBLIC

Content hashes

Canonical textaac29f795074c0e86973440cf9576e5ebd24bfabb54487e81df6acd329bf7ec8
Markdown5b844582d851c221d88d6e833be7ccfffa2c586217a718ad63087d40bf4cc285
PDF
Publication pagefbf0774c1dfae42cf05ad3a485b6bffe1f0716ea3bf3d84ad00a0f22e6641e47
Manifest86d8c8c4d568d5f59addee0f6d615cdf1e6d7ec01dd26fc28431c4b6f4f3f3c8

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
SignatureFPE3f9EjDPBZgu1j+Bfe1gwue8X8DmKkpiQE2BkD+LcpSM86HrfS7pbr6Z4rqyqo7Yut1oqMGQclMw75kyD1Bg==
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

2026-09-17T10:55:08.917630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053417
observed fbf0774c1dfae42cf05ad3a485b6bffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.896859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053417/manifest.json
observed 86d8c8c4d568d5f59addee0f6d615cdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.877563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053417/publication.md
observed 5b844582d851c221d88d6e833be7ccff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.857853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053417/publication.txt
observed aac29f795074c0e86973440cf9576e5e...
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.