OpenTechnical

OT-2026-000038850

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038850) never changes.

Identity and time

Publication numberOT-2026-000038850 · never reused
Internal UUID01a0ae78-769f-7e34-bfa4-70e5fff0be4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038850
StatusPUBLIC

Content hashes

Canonical texte80c83d17777a27baa6798f9cc9fb9d4b45b9feff87b44ba18044c3ce9b0259a
Markdown1eb80a7bed0861cc2385c187530d9a24c68d9c83f81a4137f223fb38ed6854c0
PDF
Publication pageadaa524011a1548f06db66333c48cb288f5a11a5a831908ed6bace88c192d444
Manifestfef348a24012edfd0a06352f767dbfaeb79cbedeb9d320ecf8d47947489b429f

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
Signature6pDeWPOQQrP4GXWKTBSq4qvnEBubKlBFGSlU7NFM9hguPz0Jac9uufSsav9/eig27YIJAa8lTUCT5iKcJ5S6BQ==
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

2026-09-17T11:21:25.300352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038850
observed adaa524011a1548f06db66333c48cb28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.284045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038850/manifest.json
observed fef348a24012edfd0a06352f767dbfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.267331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038850/publication.md
observed 1eb80a7bed0861cc2385c187530d9a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:25.251006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038850/publication.txt
observed e80c83d17777a27baa6798f9cc9fb9d4...
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.