OpenTechnical

OT-2026-000011976

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000011976) never changes.

Identity and time

Publication numberOT-2026-000011976 · never reused
Internal UUID01a0ae6d-1942-7d3e-bcc8-5c50cfbac2f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011976
StatusPUBLIC

Content hashes

Canonical text25e77ea13346c8f83013d2990a33b8e9cee5929e9695e48b6b96cc3a7f0da8f2
Markdowndd8deebf93925fa41c0afacd6817383a985016f234a40bdb4b26ce41d59d528d
PDF
Publication page10970e99999398a553fb8e48420f7f78e54b5bdf980c59500a822ebcbdff07e5
Manifest23769889820ab1351daad3561a52f2ccfd79876bc56483f5e32d6fb73bd5f0d4

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
SignatureBQEW5RZmjUACLABmFHBvX1NwmCinxUtJShNSfpmxf4QQIKR1tZgOHZIZjYOboxfIaA0EEq091dnFPLIHKLEiAg==
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

2026-09-17T12:12:49.936946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011976
observed 10970e99999398a553fb8e48420f7f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.916955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011976/manifest.json
observed 23769889820ab1351daad3561a52f2cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.896140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011976/publication.md
observed dd8deebf93925fa41c0afacd6817383a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.878285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011976/publication.txt
observed 25e77ea13346c8f83013d2990a33b8e9...
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.