OpenTechnical

OT-2026-000088662

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000088662) never changes.

Identity and time

Publication numberOT-2026-000088662 · never reused
Internal UUID01a0ae9b-8f0f-7e29-bf08-2c8c7afddc7f · 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-2026-000088662
StatusPUBLIC

Content hashes

Canonical text741d8f55582f9b9d1081631da238c8ffce175195acb8195cd5d99488265aebfc
Markdownfc982bb8f9eb764c73677ad008c2c3d778e157893a27a66939cf604bff54ad88
PDF
Publication pageb3e58e8c6cd9497bfa662f05ce645bd02020d26f31919b179e4e110b46d7b422
Manifestd971da3da50ab83b4b2ba2ee05e679e2fb567e28637947ce508dea7f442115b3

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
SignatureApY6ujzgv16OHxUjxgt2rbMUj5gy+Scc76fa9Jz8gBFGTqf7H8MwdL+x1IblMoa/FTgajH4SqKVZU0rW7auBAg==
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

2026-09-17T09:47:53.358282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088662
observed b3e58e8c6cd9497bfa662f05ce645bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.341313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088662/manifest.json
observed d971da3da50ab83b4b2ba2ee05e679e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.320934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088662/publication.md
observed fc982bb8f9eb764c73677ad008c2c3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.301506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088662/publication.txt
observed 741d8f55582f9b9d1081631da238c8ff...
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.