OpenTechnical

OT-2026-000030471

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000030471) never changes.

Identity and time

Publication numberOT-2026-000030471 · never reused
Internal UUID01a0ae73-e504-7850-b113-2e24ddd1e0d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030471
StatusPUBLIC

Content hashes

Canonical textea421fae089b4ecddb4677a01658adaadcd1da5cb29138071b14d78f5db5be4c
Markdowncd551eccc3405ffc270b351ff330965dde16c2d5cb701fbfa38d6c16eb4a300c
PDF
Publication page21c57ab6827023e12ba74acf50b709b29ddc274b68b660c21a4c954ec808e0ce
Manifesta076a03936459d2b6c38dccb530cb3666d4512069ffccb7cf6468121f25cc4a4

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
SignatureJPQR8Aov0ZuNQA1XeDP4RXpSMT9DW+VpQQjZqQsbmDc1Dv3cBA8nyweozN1P1wApXZIg1TAEglElE+VCwsTdCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:18.886494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030471
observed 21c57ab6827023e12ba74acf50b709b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.864041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030471/manifest.json
observed a076a03936459d2b6c38dccb530cb366...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.847140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030471/publication.md
observed cd551eccc3405ffc270b351ff330965d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.828578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030471/publication.txt
observed ea421fae089b4ecddb4677a01658adaa...
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.