OpenTechnical

OT-2026-000027634

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000027634) never changes.

Identity and time

Publication numberOT-2026-000027634 · never reused
Internal UUID01a0ae72-6999-7cf4-bb9e-cd2316e070c3 · 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-2026-000027634
StatusPUBLIC

Content hashes

Canonical text88de7294875323fb8acd88e927af19f4d16916aefa8acf0f4353179c4e18df52
Markdowna4896a4e38ee6527dc5b4d51656003ef74c43bbe54b5ccde4c8b31637972f00c
PDF
Publication pagef8315a071aa0faeeeeba050871d25277c7eb2afba207a104cd5d87289eefdb2b
Manifest0bfa1f1d78ab46d472b167b18a9f6e597a613d136ee657328538cef6ae5088fb

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
SignaturelzcktH81Yv5LIgIubT2DQVnuQ/IG/cF9TMAzoPW+uEB4DB+XjdmkgI5bilpj6yhXvkaKb/Ke79QojwwZl1kjCw==
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

2026-09-17T11:43:09.472616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027634
observed f8315a071aa0faeeeeba050871d25277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.453034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027634/manifest.json
observed 0bfa1f1d78ab46d472b167b18a9f6e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.434534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027634/publication.md
observed a4896a4e38ee6527dc5b4d51656003ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.416960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027634/publication.txt
observed 88de7294875323fb8acd88e927af19f4...
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.