OpenTechnical

OT-2026-000088353

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000088353) never changes.

Identity and time

Publication numberOT-2026-000088353 · never reused
Internal UUID01a0ae9b-5d27-7d57-ade3-03fa31017b2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088353
StatusPUBLIC

Content hashes

Canonical text24606642d9cdcaedd06ace4ab00da0358db3da5bf9e5b291131e5ff926ed724a
Markdowna38cf4f5b5f1d09bdf220521986821bb91f0119dba74e15bc7a2240e176bfac2
PDF
Publication pagef328fb8e36e43efc5575da960e01ac68956f0a878e905b2a1830c72b31c3197f
Manifest1bd78b12f712e20ec111cfdf6b5061858b9ba1497a61104c4855b2097baa0cba

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
SignatureteD+0/NyRaU6kp9bSIDIhXtDKTwQlPnn6SqMB/02Efxy8v7TyMHim4QZpdN56sqfOotgg5fatsepIkPMlcHmBA==
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

2026-09-17T09:48:41.811717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088353
observed f328fb8e36e43efc5575da960e01ac68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.794004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088353/manifest.json
observed 1bd78b12f712e20ec111cfdf6b506185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.776050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088353/publication.md
observed a38cf4f5b5f1d09bdf220521986821bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:41.759070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088353/publication.txt
observed 24606642d9cdcaedd06ace4ab00da035...
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.