OpenTechnical

OT-2026-000088579

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000088579) never changes.

Identity and time

Publication numberOT-2026-000088579 · never reused
Internal UUID01a0ae9b-8f0f-7563-a147-4db20ef00b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088579
StatusPUBLIC

Content hashes

Canonical text3ba85db12c73d672e9b25c6b19b0df363f6d70527bc772a94b1a77958a8f3c46
Markdown1e778857f20f4576eb054c03d4457609e622a5b8e7d522530f031a0cc53b182c
PDF
Publication page030d10bb9688d2bef94e5f28733fef41588f14a07c6fde5706d32e455d354498
Manifestb5e42fd5e2342a30b3a6b23627766426c415d6a364f7d7bc0f6169e3c935e85f

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
Signature49EVC7c67TbgS6LkQ2miX3HjQkjS5M1gKjQDK68YaWdXKSX3ne+7femqODWG7Kz/ncYGl7wCU/Y67Qmx4fsSBQ==
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

2026-09-17T09:47:46.209204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088579
observed 030d10bb9688d2bef94e5f28733fef41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.190963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088579/manifest.json
observed b5e42fd5e2342a30b3a6b23627766426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.173733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088579/publication.md
observed 1e778857f20f4576eb054c03d4457609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:46.156312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088579/publication.txt
observed 3ba85db12c73d672e9b25c6b19b0df36...
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.