OpenTechnical

OT-2026-000076087

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, 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-2026-000076087) never changes.

Identity and time

Publication numberOT-2026-000076087 · never reused
Internal UUID01a0ae94-6a6e-7a97-9f80-516682d0641f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076087
StatusPUBLIC

Content hashes

Canonical text306e552e641e25a0a9ba05afc39385fe89aafa9e2b0e7f6cada65641de54385f
Markdownf5d4e0a4b9681c7e4052dd789be7e5a2e2a8c9659452f9cf9becacd0299f412b
PDF
Publication pageaa626c907c2a417d263b54f3f3dd561f797b47e966692f467f121fc9c64dd793
Manifestd0a978cee7a7d60e5c3c214ba30e19e403f80f25be10f1b332f7e5485bc99eaa

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
SignatureCbgl+95CyjpqjL3+69LeO9Dsp5QADTfPSR1QrlGmeW2UZ0O+OV1ki7LGgqvDrOpCXzCQIuasYArfv1ZnSjb8CA==
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

2026-09-17T10:10:55.006115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076087
observed aa626c907c2a417d263b54f3f3dd561f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.987952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076087/manifest.json
observed d0a978cee7a7d60e5c3c214ba30e19e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.968943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076087/publication.md
observed f5d4e0a4b9681c7e4052dd789be7e5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.946505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076087/publication.txt
observed 306e552e641e25a0a9ba05afc39385fe...
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.