OpenTechnical

OT-2026-000083645

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, sustained 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-2026-000083645) never changes.

Identity and time

Publication numberOT-2026-000083645 · never reused
Internal UUID01a0ae98-0416-7767-99dd-cf50dd7b0bd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083645
StatusPUBLIC

Content hashes

Canonical text32889db4aa9b5d20146c5315fecd401cd14449ae2d39f57335370eac79bc7a73
Markdown58943e806b3e7b6e98428ec7279187c60cf9f453899767b8334a8c26d2341a60
PDF
Publication page2d6f5ea1118ae7722e0f603c54f2a21530e90804d6663dc0cbebb516a2f7ddcb
Manifestff856280c6923d336ddf09ccbc1474009e4c5d683130a07c918f74a7e53e1e97

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
SignatureBEOJ0llELtzP+rf1xYx5WUVetWKr/tA7u3+om4JbwRiVma4gxd7YW+ZvgCnofVn0b+kcMXkNnzLhfBvPRwWiBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:15.639921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083645
observed 2d6f5ea1118ae7722e0f603c54f2a215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.625357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083645/manifest.json
observed ff856280c6923d336ddf09ccbc147400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.608570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083645/publication.md
observed 58943e806b3e7b6e98428ec7279187c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.591364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083645/publication.txt
observed 32889db4aa9b5d20146c5315fecd401c...
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.