OpenTechnical

OT-2026-000089445

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold 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-2026-000089445) never changes.

Identity and time

Publication numberOT-2026-000089445 · never reused
Internal UUID01a0ae9b-db02-7ced-a99a-1c055f464bc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089445
StatusPUBLIC

Content hashes

Canonical textdb5e6c6b4ece6dbef309e964ae82b3d6f2acf2611d90f340506c40ad7e7adf74
Markdown6c8bc342b1be1038d921005467c83f42c10f8cd20d4483e27453c2db1f055003
PDF
Publication page69bbc5c415175aa63775c77b045fa04f7895b8a59bc5cb6a2b71d4017d118664
Manifestac9b7afb7a6a2e21893badbeacd389ba890aeda47aa28848860369db1c9a1c12

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
SignaturePCeC8B/0dPmQmt9mJoFPrsZCzE9qK6+PdzJOtkMgjAsX9K0J8Ql63KdGxvV4E4/4i+8LL5Sb8thkpoY79gIHBg==
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

2026-09-17T09:47:35.593508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089445
observed 69bbc5c415175aa63775c77b045fa04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.575514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089445/manifest.json
observed ac9b7afb7a6a2e21893badbeacd389ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.559572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089445/publication.md
observed 6c8bc342b1be1038d921005467c83f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.541897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089445/publication.txt
observed db5e6c6b4ece6dbef309e964ae82b3d6...
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.