OpenTechnical

OT-2026-000080728

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000080728) never changes.

Identity and time

Publication numberOT-2026-000080728 · never reused
Internal UUID01a0ae96-b973-72bf-8d9f-8514df7810e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080728
StatusPUBLIC

Content hashes

Canonical text17aab685e9b5e9012139514a896cb9b8bfed9ffe8e725682a089a65ad7e18a51
Markdowna2aa5fe5fefa9b5e1b894a226837285aa5747f840fd4266b68d38d7f881d94b7
PDF
Publication page83c8721c0d71f06d7581c1b0518686c3e774943abc7a6e024d8724f8ce254458
Manifestfa88284b0b827d5487070bdabff9b38cf9e0910f01b805b6e46881bd99c0f933

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
Signature2PS0ch52Mxash1X9USKlTaGUI+dBznHfYu5wkV0/CtJjv0ILTVS57hqgP3y49mFXoR4bDAcA1avEICYrNeZvDg==
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

2026-09-17T10:01:46.066376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080728
observed 83c8721c0d71f06d7581c1b0518686c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.047430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080728/manifest.json
observed fa88284b0b827d5487070bdabff9b38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.026668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080728/publication.md
observed a2aa5fe5fefa9b5e1b894a226837285a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:46.006378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080728/publication.txt
observed 17aab685e9b5e9012139514a896cb9b8...
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.