OpenTechnical

OT-2026-000017454

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000017454) never changes.

Identity and time

Publication numberOT-2026-000017454 · never reused
Internal UUID01a0ae6e-76c9-7650-8f77-9c306ebf7b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017454
StatusPUBLIC

Content hashes

Canonical text550fc81aea7252914531f7c6db82983db0cb548170432da50455bc45398310db
Markdown70c20bed5748a86e25a279d005ce34d4febe427f95e887bec7d2f1365b159559
PDF
Publication page542c4f019e2dbfcc7924d344ed9b9de9186121082cfd6766963f889886bfdef7
Manifest27822ed9e02a2ba4350c032d8bf458be9cef8c2dcfcfc71f18819110b3ede675

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
SignatureTjEianXOzKNF+21VzY0PlyVIPVf1CesDYmbZKWtG+2Aa29Unadf1ufXJMBeXeZiqCial0J/ye1gC6vqtT3YSDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:35.491419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017454
observed 542c4f019e2dbfcc7924d344ed9b9de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.468852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017454/manifest.json
observed 27822ed9e02a2ba4350c032d8bf458be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.449817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017454/publication.md
observed 70c20bed5748a86e25a279d005ce34d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.429008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017454/publication.txt
observed 550fc81aea7252914531f7c6db82983d...
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.