OpenTechnical

OT-2026-000086267

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000086267) never changes.

Identity and time

Publication numberOT-2026-000086267 · never reused
Internal UUID01a0ae9a-2c95-7fe1-81a3-93ca2c342805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086267
StatusPUBLIC

Content hashes

Canonical text867c7f16f388dc50838e0bda39164700a88d3d6172bee1c4dc2ddc6c4b2fdc9a
Markdown38d60e84ccd2313883d635c422c5604264d1116fdcd379a642ef8ce5fbe93f0d
PDF
Publication page19df8c62caffa7a8b319b6ac4abb4100aeb7c5af277b2b4e9852a630a73ad183
Manifestf8e8611c8910c86f07b2650d36db4d9ed1897fa4e042f8076d910752127c2f04

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
SignatureNm2imeCsh/N4IDxWWCwfqW6PUl+sg+dDHpxv3WeN5ocPXJc6LyoCTUyHnsSn8bFLfAhk8zto5bmgVpG5HP7cDQ==
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

2026-09-17T09:51:56.137432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086267
observed 19df8c62caffa7a8b319b6ac4abb4100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.120209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086267/manifest.json
observed f8e8611c8910c86f07b2650d36db4d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.103808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086267/publication.md
observed 38d60e84ccd2313883d635c422c56042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:56.085715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086267/publication.txt
observed 867c7f16f388dc50838e0bda39164700...
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.