OpenTechnical

OT-2026-000054780

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000054780) never changes.

Identity and time

Publication numberOT-2026-000054780 · never reused
Internal UUID01a0ae86-1285-7feb-afc7-444863a2aae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054780
StatusPUBLIC

Content hashes

Canonical text0ebddfafaef8f3b4a466371256bfe89232991ff16e4aac126c19dd6978f837b4
Markdowna937002a5cfadbd0c2af00a8970915a5abeaa1f11f08019d3ddb7a447ca838bd
PDF
Publication page4b192d9afba135b117b625afac50ada6b15d7ac269c37f3378bfceb51bd5e353
Manifest9f98c28751fc1713320e4490b85a225bdd44c17288c73cf8cf53f4a908c61116

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
SignatureB4yTdsXc8bKpwryisCaoTdZEKoDdhFQBKlCAR3/r0r3pL5YMvcLj8KWwhfBZQ7G9jXTEBKZreeBzaqheX+L3DQ==
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

2026-09-17T10:53:58.596252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054780
observed 4b192d9afba135b117b625afac50ada6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.575167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054780/manifest.json
observed 9f98c28751fc1713320e4490b85a225b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.558356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054780/publication.md
observed a937002a5cfadbd0c2af00a8970915a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.541936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054780/publication.txt
observed 0ebddfafaef8f3b4a466371256bfe892...
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.