OpenTechnical

OT-2026-000025474

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000025474) never changes.

Identity and time

Publication numberOT-2026-000025474 · never reused
Internal UUID01a0ae71-5fa8-75b3-98c2-2d72b3d5134a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025474
StatusPUBLIC

Content hashes

Canonical text141669d37ba62090674cfec83a03d7a30107f910a3d6a428f55314615dd20aaf
Markdown326be074eef9e14f07e8f8e4c37d0625cd18cc893c6bc71f92c07c08e64d91db
PDF
Publication pagea582646455a9f374c2d134963ef3e539cce8448f8560d2ab51735f3f0e9af591
Manifest08b0edcd623534e1a81c330fe5caaab06b590a9622f7ea28d113e05b9ee0625d

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
SignatureCPONfjbp/m9z2HexIdtHK+KyyJdFasKRWnOxjApqfhh7wXca/QrN0S04SE97X2FpNsBTiLYoeOl8SshZLK6gCQ==
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

2026-09-17T12:41:42.434774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474
observed a582646455a9f374c2d134963ef3e539...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:42.275331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474/manifest.json
observed 08b0edcd623534e1a81c330fe5caaab0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:42.138134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474/publication.md
observed 326be074eef9e14f07e8f8e4c37d0625...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:42.034209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474/publication.txt
observed 141669d37ba62090674cfec83a03d7a3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.825040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474
observed a582646455a9f374c2d134963ef3e539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.808323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474/manifest.json
observed 08b0edcd623534e1a81c330fe5caaab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.789747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474/publication.md
observed 326be074eef9e14f07e8f8e4c37d0625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:33.771793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025474/publication.txt
observed 141669d37ba62090674cfec83a03d7a3...
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.