OpenTechnical

OT-2026-000101889

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000101889) never changes.

Identity and time

Publication numberOT-2026-000101889 · never reused
Internal UUID01a0aea4-50f0-7089-ba81-0c8ff410b94c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101889
StatusPUBLIC

Content hashes

Canonical text6f119fa0f70bdf5b2f08a343c47b10631f25c4d3760cc7328eb07879765a3864
Markdowncfa53a5ba24feac510bb46346c060ebea095e9d09e569faf3ecf57069dbd23d1
PDF
Publication pagea5a453944ae3185e7ae6e1363cb8b801d2c4c9fd740ddd4b0ade81b4befcdbc1
Manifest8a2459bc60b1f40b1c3f8124b3dbee1833eb011dc29af99c9240ecc203ad3411

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
SignatureE2HB8felG+WYE3uJEbMD8xX8LRGHvAMSEpAWEaoX4d9RVffGuNaZ/Eu6ilzN9m5xT8WotBHHAlNgeAc+T/1MCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:29.786174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101889
observed a5a453944ae3185e7ae6e1363cb8b801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.767994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101889/manifest.json
observed 8a2459bc60b1f40b1c3f8124b3dbee18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.748137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101889/publication.md
observed cfa53a5ba24feac510bb46346c060ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.728139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101889/publication.txt
observed 6f119fa0f70bdf5b2f08a343c47b1063...
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.