OpenTechnical

OT-2026-000053276

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053276) never changes.

Identity and time

Publication numberOT-2026-000053276 · never reused
Internal UUID01a0ae85-0a15-71a5-a05f-4c83ae9b3d80 · 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-2026-000053276
StatusPUBLIC

Content hashes

Canonical text31caa29e47ed1a80362fa9e1a359e40c3151238b688d3a91a915cb273f77cc12
Markdowncd6738a834bd8e8a355a5c5efaba3463d7beea30e176e7e75ded09a0ce7ff656
PDF
Publication page07e8493f0abb2e1054049172a5c5a6d4b3a72388c2aba31ccc0a33de48928965
Manifest9555ce3e2b171c38ef2859f6f97bcd98c9788d2f6dcc1ee334bba9303a12759d

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
SignatureTPWEbwcOcZT2IOHu9B07flQCI8xw3G38xBD515bWlFmWrjC2eoXOwVOZXljuVhrp22n0UDoiSCZxSQriTzGLBw==
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

2026-09-17T08:41:01.493568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053276
observed 07e8493f0abb2e1054049172a5c5a6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:01.475226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053276/manifest.json
observed 9555ce3e2b171c38ef2859f6f97bcd98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:01.333142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053276/publication.md
observed cd6738a834bd8e8a355a5c5efaba3463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:41:01.314445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053276/publication.txt
observed 31caa29e47ed1a80362fa9e1a359e40c...
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.