OpenTechnical

OT-2026-000027603

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000027603) never changes.

Identity and time

Publication numberOT-2026-000027603 · never reused
Internal UUID01a0ae72-6999-7cb5-a09c-bde55388e975 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027603
StatusPUBLIC

Content hashes

Canonical text8abdcf48bada14b7242df359d4d8c38f53a7054f489e83663339d46525bb8a6d
Markdown36a33f29a41aeb0ca7dd7beee83d432cdbc9a014278abd0cfea4fc35cf2b8fd5
PDF
Publication page0f1c84e91f5255131ae745ce0e017bf64c2fe2a2a58b7fc3c5eb8e5aff04a107
Manifestac15aa2c0b04cdc5a96e02e69b1893991049eee21a7a260e5fd5ad5b21ef57e1

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
SignatureuuEdf8/1WE2w3MG8GhtJmRFHfgDH8KcSjG2dlSNgCmyI+0+INSs6H3wE0rh91ZtWs31BPnIAAX+SgIDsH3AYAg==
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

2026-09-17T11:43:07.117465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027603
observed 0f1c84e91f5255131ae745ce0e017bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.102058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027603/manifest.json
observed ac15aa2c0b04cdc5a96e02e69b189399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.086938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027603/publication.md
observed 36a33f29a41aeb0ca7dd7beee83d432c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.067116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027603/publication.txt
observed 8abdcf48bada14b7242df359d4d8c38f...
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.