OpenTechnical

OT-2026-000038539

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000038539) never changes.

Identity and time

Publication numberOT-2026-000038539 · never reused
Internal UUID01a0ae78-2d53-7a18-bf90-d0fac3e0b612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038539
StatusPUBLIC

Content hashes

Canonical text1e054658cdbb2791815637436a21e4b47a504c5cf6d97678bab0783f29ad465d
Markdownd9eff839e5b9a48ac345c9c657804c607fd306c31e7896c9a1e60b5fe87e4ac5
PDF
Publication page0c44ace943d17ff8b955c0c82c1d8f75d58aeb75d2424c8868b57ca9f12340d1
Manifestcdedabef614622d9542c162f627819c6fb9035c124a5c8bf696dabee5e55825b

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
SignaturemER7UrvCEuVVif2LI0MHDajHdlXo2aZJgMfdJHOmwn+UiukJ8ddW/I2n2USTE4I4rsiftyt8U+g86Al7hTKAAA==
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

2026-09-17T11:22:47.960467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038539
observed 0c44ace943d17ff8b955c0c82c1d8f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.940898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038539/manifest.json
observed cdedabef614622d9542c162f627819c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.922826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038539/publication.md
observed d9eff839e5b9a48ac345c9c657804c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:47.905166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038539/publication.txt
observed 1e054658cdbb2791815637436a21e4b4...
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.