OpenTechnical

OT-2026-000012698

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000012698) never changes.

Identity and time

Publication numberOT-2026-000012698 · never reused
Internal UUID01a0ae6d-5562-7acd-bacb-37a050b1727c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012698
StatusPUBLIC

Content hashes

Canonical textb0ef2a44cee76dd2b053d381ac0a2e2155c2ec998821cf8d56c8fb4ccd1d526c
Markdown9a5f045304485cac51f1b41c1db7481865e552fce5b7b3ef536b1a311d206c58
PDF
Publication page94c8ac3e132923782b7583ce4bbd57b67007753cf24c6a8936a3bcbdb6f02891
Manifestaff6f834a2031e59ad1c820c7ef096b7708f4b26f059945849a8f40e64502b6e

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
SignatureyGB71h6BqmJgxIygB5Orn4uPgQYSWJte1T925rMmCuSgThkLm7FOEEN8ZnVvkiYVwZ0m32TOus/3z7pxPQtWAw==
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

2026-09-17T12:10:21.197750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012698
observed 94c8ac3e132923782b7583ce4bbd57b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.178096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012698/manifest.json
observed aff6f834a2031e59ad1c820c7ef096b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.159427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012698/publication.md
observed 9a5f045304485cac51f1b41c1db74818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:21.139636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012698/publication.txt
observed b0ef2a44cee76dd2b053d381ac0a2e21...
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.