OpenTechnical

OT-2026-000053916

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000053916) never changes.

Identity and time

Publication numberOT-2026-000053916 · never reused
Internal UUID01a0ae85-b3a6-7a7c-a6e7-c8715c16c308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053916
StatusPUBLIC

Content hashes

Canonical textb70b2f032036cbb7af659f87070a1e87ae2dadb1ab639a11ef8be12382d4a6e3
Markdown11f7f4e4b1c5e8afea82bd2c4a9e5250c3d4d42339f88b5550aae4edcacae8ca
PDF
Publication page7ec5b2106557607fb32677d65b21e76dd792386135c17559b63bf04589973382
Manifest47214405fbb69019f4186eb0e7f5f5355435e4a52e0c30b59aa28ce182222c03

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
Signatures+hAccRSQAa9iXruzbAGTGj4LEhoynCXnBK9zplmeJL0Mr9PAARrh+8ImWyLZhnYBkxUYzpRFqwmcZwysgvZBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:09.294199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053916
observed 7ec5b2106557607fb32677d65b21e76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.277422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053916/manifest.json
observed 47214405fbb69019f4186eb0e7f5f535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.258962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053916/publication.md
observed 11f7f4e4b1c5e8afea82bd2c4a9e5250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.238738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053916/publication.txt
observed b70b2f032036cbb7af659f87070a1e87...
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.