OpenTechnical

OT-2026-000021462

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, sustained 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-2026-000021462) never changes.

Identity and time

Publication numberOT-2026-000021462 · never reused
Internal UUID01a0ae6f-865d-7898-bf0f-5e1532254ab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021462
StatusPUBLIC

Content hashes

Canonical text033e321eccbf6b790bd03cb242230170717356a906eae13235675a896a8af70b
Markdown628a92dc4c53b8040a92ca426f800ab0692518ff650d5992127e58d8e2d1fc2d
PDF
Publication pagea743a7c3d73ce063634e7d5fb8a0bdec4cc67e73eeead27ea1057ddf0aac7590
Manifest24fbf834f6fbdfae82b23b177a980a9fe2778d967679bca6d6d58cf13e324a91

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
Signature/5Pb4+GrOihRhgPTAkZFRZESebrq6ThICCajLW+RFvbD8nJxI5j3aAqiMleRoyAWI82Py3aWBhCknejSK98mAw==
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

2026-09-17T11:55:22.583558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021462
observed a743a7c3d73ce063634e7d5fb8a0bdec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.566701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021462/manifest.json
observed 24fbf834f6fbdfae82b23b177a980a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.548664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021462/publication.md
observed 628a92dc4c53b8040a92ca426f800ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:22.528943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021462/publication.txt
observed 033e321eccbf6b790bd03cb242230170...
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.