OpenTechnical

OT-2026-000039977

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039977) never changes.

Identity and time

Publication numberOT-2026-000039977 · never reused
Internal UUID01a0ae78-d8d7-7bee-b5af-90cb5627671f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039977
StatusPUBLIC

Content hashes

Canonical texta20aa8969e5e887ac8d387d4f82e31ad038177e846b9240eb148133c8f810d38
Markdown724452fc9e7af6a72e8458f8b204285fb4f1fc6fe720a502dcf24e395b91c664
PDF
Publication page282bdab92cb9077ff573b459baebc525c831feca16d54b7fc67f8a5a6e357ecd
Manifest362e64fb240e02ddb57e19ac7377fdb28dd2ec6539306d9af58e90cc4043ff5c

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
SignaturelC8JFS5Z1CPHp68r3txESvVWIj0jSsQUEG/lIy6R5TMhqK1IPA9G1qRo3J45TmBT4LqkWoSLFHFrGrmJCFkCBg==
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

2026-09-17T11:19:41.605208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039977
observed 282bdab92cb9077ff573b459baebc525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.586114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039977/manifest.json
observed 362e64fb240e02ddb57e19ac7377fdb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.564981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039977/publication.md
observed 724452fc9e7af6a72e8458f8b204285f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.543886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039977/publication.txt
observed a20aa8969e5e887ac8d387d4f82e31ad...
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.