OpenTechnical

OT-2026-000013051

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000013051) never changes.

Identity and time

Publication numberOT-2026-000013051 · never reused
Internal UUID01a0ae6d-5564-7274-87cc-7ae698f0278e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013051
StatusPUBLIC

Content hashes

Canonical text376636b84b33026249af9fa954870a1841e0658189e895187107c30a1530e1be
Markdownd6b79d29e7a3a4c05ded25da58044e231d4a78e0e2b5be0812204cecad43ba36
PDF
Publication pageeca423b6ddd9526e71d48aa8ba8fc5cd51e57f1691483d243dfb398cc999c4de
Manifest0015e7aed0e7fa7bae90e0709d488f6dd5c80b8788fc641effbf4af5ef889158

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
SignatureKKQ1GLWEG5gf9fJcZlFUYkOJ6W8JzAUIsJFG7HN9e8Rzu/zHmAtEzdAwjQb3pa4sZVy7Y1AzxEMSsnsCWqOJDg==
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

2026-09-17T12:10:53.160306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013051
observed eca423b6ddd9526e71d48aa8ba8fc5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.144026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013051/manifest.json
observed 0015e7aed0e7fa7bae90e0709d488f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.123416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013051/publication.md
observed d6b79d29e7a3a4c05ded25da58044e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:53.104742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013051/publication.txt
observed 376636b84b33026249af9fa954870a18...
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.