OpenTechnical

OT-2026-000083613

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum 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-2026-000083613) never changes.

Identity and time

Publication numberOT-2026-000083613 · never reused
Internal UUID01a0ae98-0415-7ef7-be38-bdeaa5335842 · 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-2026-000083613
StatusPUBLIC

Content hashes

Canonical text2268d0ec297c23c55eed3f587ac9e400248d55adf3cb7caf817a5f472ff7ac89
Markdowne396bcd53f2940acdf8cdaffafd2654cfaf77f27abce22ec4f3add69adc29320
PDF
Publication pagebd961abbdcc09567df4e553dfc5a97608739b12f8e71fd3ba8899c814ef69325
Manifest7097ac801ad5158e3154e0921282edd2738222aadb4822e72543df75efde69bd

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
Signature4wFl7rG/7rsm/tlps/BOEGUEdyVh0Lk7M1SyPWyHFWDeGCyBIxdUq1v7nDibr54ZCaSt+wETPZxJbSZNFbtQCg==
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

2026-09-17T09:57:06.636731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083613
observed bd961abbdcc09567df4e553dfc5a9760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.619534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083613/manifest.json
observed 7097ac801ad5158e3154e0921282edd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.602605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083613/publication.md
observed e396bcd53f2940acdf8cdaffafd2654c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.585662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083613/publication.txt
observed 2268d0ec297c23c55eed3f587ac9e400...
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.