OpenTechnical

OT-2026-000042251

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000042251) never changes.

Identity and time

Publication numberOT-2026-000042251 · never reused
Internal UUID01a0ae7a-5d72-7394-9e51-a37b10436e4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042251
StatusPUBLIC

Content hashes

Canonical text0ceda44f70ccbc33d1310da30e5bd75c14d36e035d4c71e45dc02a604344bb5e
Markdownd0a522e7b6e4fba693891932966cd3551073534269411c505cbf0dae6aab379a
PDF
Publication page7553523e73c479336e23da12b68449654d4f04285f89d287a403dea11fe001c0
Manifestdc86d7b6b0b27b14a20965bfce33c8ae19cb525b84c8cecbac9be159e5508073

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
Signaturens63tfYn8AzvIFh4TbJYf7f/T7gwYOyicxJi1edOlTj9ruvH4bV1N5oDnloJvE83qPp17A+Cnle59FQ+S/XAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:56.072288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042251
observed 7553523e73c479336e23da12b6844965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.053488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042251/manifest.json
observed dc86d7b6b0b27b14a20965bfce33c8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.034986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042251/publication.md
observed d0a522e7b6e4fba693891932966cd355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.016731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042251/publication.txt
observed 0ceda44f70ccbc33d1310da30e5bd75c...
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.