OpenTechnical

OT-2026-000082277

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000082277) never changes.

Identity and time

Publication numberOT-2026-000082277 · never reused
Internal UUID01a0ae97-4d94-74ec-8028-0356ff295ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082277
StatusPUBLIC

Content hashes

Canonical textc16e93c64897fd9377e55a79cf64feb2e0aa0cc5dc27b63b514cad70f98b07bf
Markdownd1cec8ca36066db90026e3b7f73d6caf892bac5f8aefcd0428d5e6748d890fc5
PDF
Publication page3ca65b36d1ce7a6b5c33b5fa27c8f8101dd3b08d2025ff14bdaacfe8988d78fe
Manifestb8242eeec621ef8a1f12a16143959e01cfabffd3bcbaed315f0843afb366189d

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
SignaturenQBd/eslT0qx0Jjd8xIkQzYGPRHadHiFSp9O3QzLS5HuXgtHlrNJtm1D9f9dZ/uJfQcAcgGOzv90lMIXFKQ8Ag==
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

2026-09-17T09:59:08.023595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082277
observed 3ca65b36d1ce7a6b5c33b5fa27c8f810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.005352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082277/manifest.json
observed b8242eeec621ef8a1f12a16143959e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.987988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082277/publication.md
observed d1cec8ca36066db90026e3b7f73d6caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:07.969932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082277/publication.txt
observed c16e93c64897fd9377e55a79cf64feb2...
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.