OpenTechnical

OT-2026-000098787

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000098787) never changes.

Identity and time

Publication numberOT-2026-000098787 · never reused
Internal UUID01a0aea2-42af-7b1e-a4f3-b0c090ba8ab0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098787
StatusPUBLIC

Content hashes

Canonical text37a38002438ade055b4b8ffa84b0b35da43360a3d720efea4c3125cb8ae095a1
Markdowndb9f8730f8607ce847724d441be049e2fd83f9c8c342f95be78f7df295f61a85
PDF
Publication page10c1b4afe5ff8931dabddbd73a76f38a41ef8215bf09376ebc06671598011f6c
Manifest5ac8c64ae3837a2950b6244bc4804c6c6b5f8f7ed952f23f493dc9b795f68de0

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
Signature3Ws3UPSpU/pQs9MBNpPk/TWqo4Xr4v4AlwQttt2nViV1STTepb5plWY9A/ea2ZSn7v2mauD9MTxO02uONd59AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:06.783103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098787
observed 10c1b4afe5ff8931dabddbd73a76f38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.764955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098787/manifest.json
observed 5ac8c64ae3837a2950b6244bc4804c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.746729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098787/publication.md
observed db9f8730f8607ce847724d441be049e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.728005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098787/publication.txt
observed 37a38002438ade055b4b8ffa84b0b35d...
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.