OpenTechnical

OT-2026-000068819

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000068819) never changes.

Identity and time

Publication numberOT-2026-000068819 · never reused
Internal UUID01a0ae90-6dcb-71cf-ab5a-88bd39602835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068819
StatusPUBLIC

Content hashes

Canonical text0bb5754fbcc68cf909072c2672958913f9f2d74509af4896e4dcc7973a4b1194
Markdown0ded9103e3a560cfd64443465e08b51f92d5a57ff6931b6046efb71808c56815
PDF
Publication page7d0da4a359a9baab84e780f88fcc9a05b94d2665c64294a31e95928ad8f73564
Manifest74289c534ddef79a8fc94d7e7229872fb3d9edf6e379e2e698b6367f3b2fc235

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
SignatureK6OEIDAY2i6wgyc6DENnnUJDVqESOtQbYOdi9qHB4KdbsPW7jnx+vOLCa/2AMmNbTbAL05fZ4jCP67inG3kXDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:37.271275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068819
observed 7d0da4a359a9baab84e780f88fcc9a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.254156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068819/manifest.json
observed 74289c534ddef79a8fc94d7e7229872f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.238422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068819/publication.md
observed 0ded9103e3a560cfd64443465e08b51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.220898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068819/publication.txt
observed 0bb5754fbcc68cf909072c2672958913...
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.