OpenTechnical

OT-2026-000087705

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000087705) never changes.

Identity and time

Publication numberOT-2026-000087705 · never reused
Internal UUID01a0ae9a-cd54-787f-890e-5aa6a0d4c8fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087705
StatusPUBLIC

Content hashes

Canonical text5ab8c59a57b73c171c3707596d4aa839de5fb91961245c50dec14f013b306e7e
Markdown3c5ee7ef42315fb28cf5a7fd885fc663ddfc9e65fdac0238f27d8d1abc7d6dac
PDF
Publication page1d0095c6344bd03e7a9a36a5724e3d3683b3e20d6aba21343353d5ed60c4e254
Manifeste8817256ab1c83c624836349ce55fa4d7142b2df839463656143ef97d74618ad

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
SignatureTKJPJ/Q8Bpq8/RxuryGr7T8js4mofAE4aNfEeSpu7wQwubFrDo2PuaVF0GdkeneooG0CRF+Eegwr/LQzCVyoDQ==
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

2026-09-17T09:51:09.368459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087705
observed 1d0095c6344bd03e7a9a36a5724e3d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:09.351001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087705/manifest.json
observed e8817256ab1c83c624836349ce55fa4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:09.332616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087705/publication.md
observed 3c5ee7ef42315fb28cf5a7fd885fc663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:09.313291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087705/publication.txt
observed 5ab8c59a57b73c171c3707596d4aa839...
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.