OpenTechnical

OT-2026-000033158

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000033158) never changes.

Identity and time

Publication numberOT-2026-000033158 · never reused
Internal UUID01a0ae75-4844-72a1-b63d-c7600c30a561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033158
StatusPUBLIC

Content hashes

Canonical text70145868a0bdb9a7a29df63e66c7f1efe9a1343ce63dbe5c2051a76037890cff
Markdown466f7e116b0ee69265f5238b2d25c078f06002d445fbb3e32229dc59c541965e
PDF
Publication page4319aec2e28fbb13503ad62947026f5733a5761cf226bfb6f291ec3842bcca98
Manifest486efb1498bac08686b7c9e38beceb0c77dde539b342f7d5eed0d241fdd65c1c

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
SignatureTaxazoXvq1MUfmA19gQQutX/AxS/V0qK3wiBtklQ+Wa5w8+4erAaAp8y9Fi991V69Ym6vdRZ2HbK2To2tDbaCw==
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

2026-09-17T11:32:50.774213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033158
observed 4319aec2e28fbb13503ad62947026f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.757700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033158/manifest.json
observed 486efb1498bac08686b7c9e38beceb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.740616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033158/publication.md
observed 466f7e116b0ee69265f5238b2d25c078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:50.725392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033158/publication.txt
observed 70145868a0bdb9a7a29df63e66c7f1ef...
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.