OpenTechnical

OT-2026-000051787

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000051787) never changes.

Identity and time

Publication numberOT-2026-000051787 · never reused
Internal UUID01a0ae83-7c83-7035-81ad-9ec1ef723792 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051787
StatusPUBLIC

Content hashes

Canonical textbc67f8622ecf615f3a36ec0848d49069f9546db794cf09f12ba9bb0b22842f89
Markdown86244e2067a8ec4eb4aeee2ed45f6b25675d17bb93b6a4f17c2dbb8a26251c3e
PDF
Publication page10ff9493143d30a6a33b2caa884582ce5d2dd8f9316686a98bd8d5d2e3ffc200
Manifest1d7062bdea625774cba91b03b40c1f426dc9b076888af69a95e975c42952aaad

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
SignatureWCNe0XLqbMFa22hLTYDvKud9heEiTOQz9PjxSY3ENPyYm00Xhtpupq/FB4MXMjXRIsrfzG27CP/TG/K5VP3oDQ==
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

2026-09-17T10:58:41.851744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051787
observed 10ff9493143d30a6a33b2caa884582ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.835197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051787/manifest.json
observed 1d7062bdea625774cba91b03b40c1f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.817812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051787/publication.md
observed 86244e2067a8ec4eb4aeee2ed45f6b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.799160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051787/publication.txt
observed bc67f8622ecf615f3a36ec0848d49069...
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.