OpenTechnical

OT-2026-000094980

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000094980) never changes.

Identity and time

Publication numberOT-2026-000094980 · never reused
Internal UUID01a0ae9f-2df0-763d-a8b5-5599a85dcf44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094980
StatusPUBLIC

Content hashes

Canonical text0b73c5d980a55222697d3bd779932d26158789db55a5487e5396ae0e1eec17d8
Markdowna56984cdfbc3ef409b5e281ad063299267cff6a6054f6592ba1e88f39af57745
PDF
Publication page54490d9ef947fb48e169f78f45ede6143b2f9584198bfc4c0a4d853c60eab6b2
Manifestb3d0cf37c809c7e9894e9d9d94b1ccd6d636f3d6745442a11fdda9e2bee87653

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
Signaturez/KLHZn7amK95OklBIuFEtDray0hkFiEWeVz7UOy+2pg6aiUoQaooD4ICz0YWwGM7qvYBSyEOG1SC/4wPJ98Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:31.763174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094980
observed 54490d9ef947fb48e169f78f45ede614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.743956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094980/manifest.json
observed b3d0cf37c809c7e9894e9d9d94b1ccd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.725273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094980/publication.md
observed a56984cdfbc3ef409b5e281ad0632992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.707079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094980/publication.txt
observed 0b73c5d980a55222697d3bd779932d26...
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.