OpenTechnical

OT-2026-000061232

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061232) never changes.

Identity and time

Publication numberOT-2026-000061232 · never reused
Internal UUID01a0ae8b-1382-75e3-9ec5-8578163e13ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061232
StatusPUBLIC

Content hashes

Canonical textea8175353827ef44add3066340e4743f340418cc5575aaaf33b9ea26942b549e
Markdown617454ae5b60e5b5430eb11f0efc9538288aeae2545ddd8a7b90cf03cf683fac
PDF
Publication page56c66b2804fb23385c11d9feaf44eecf30406dada92569d4435b6e1d9d0777b3
Manifesteee37c162b3c918171caf9c0b2b26def4cbceaadf935a2c99298722db921edfc

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
SignatureSsInjI7ntjJ8rBkObnZaD2rWLhpVw3A7QEu1ZKAWjgLmkBU0rQZz400/OkFAJikfN97Qw0IgCs9gR86G2hs/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:38.507621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061232
observed 56c66b2804fb23385c11d9feaf44eecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.489850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061232/manifest.json
observed eee37c162b3c918171caf9c0b2b26def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.471387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061232/publication.md
observed 617454ae5b60e5b5430eb11f0efc9538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:38.453462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061232/publication.txt
observed ea8175353827ef44add3066340e4743f...
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.