OpenTechnical

OT-2026-000074960

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000074960) never changes.

Identity and time

Publication numberOT-2026-000074960 · never reused
Internal UUID01a0ae93-ac2d-75d1-9585-cd7e6934ac7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074960
StatusPUBLIC

Content hashes

Canonical text0a6980bc3a5433f8ce1511e4762491f98cd5aa6ec88159e638ba44233376f8ee
Markdownd8896fa1ecb03a16cee08ceeaeb6c88f6ec767906237815480bb9d55f0b5fcd6
PDF
Publication pageb879274bf53b39678d032c806e6d4a39e2d599154090d956a8151c6ac447921f
Manifestc2b9257b0d00b0d40a1ee40db8fa0e464dc7fe10744ed86b8ed6bc79d0a0a161

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
Signature4paQh0ioyeNCPgSPef8Kskzbp2cxOGN4sSGH54ROHo3DHSXElDjfn2XpDkkBJWAYUjFM/ksDoOkI/gqL0/5cAQ==
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

2026-09-17T10:18:45.572717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074960
observed b879274bf53b39678d032c806e6d4a39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.554896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074960/manifest.json
observed c2b9257b0d00b0d40a1ee40db8fa0e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.538149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074960/publication.md
observed d8896fa1ecb03a16cee08ceeaeb6c88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.519615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074960/publication.txt
observed 0a6980bc3a5433f8ce1511e4762491f9...
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.