OpenTechnical

OT-2026-000045067

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000045067) never changes.

Identity and time

Publication numberOT-2026-000045067 · never reused
Internal UUID01a0ae7c-f768-7500-8dbe-01418ff7d4c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045067
StatusPUBLIC

Content hashes

Canonical text121b296f8fc288a4e698acc2cbd53956ca673565208215d80e9e3d0838864138
Markdown78af2edc06ea437568c1b8bdb5c2c1f5ae013a6cd9407604f27fc38bf67b5a18
PDF
Publication paged589201a3de2db05711ae34e6234557838820104714a1b5131219df2bad9c46b
Manifestf1a824175c5d0ef718c6ab478083dc8fde4b9df6e4d6ded8bf6ce458b872084c

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
SignaturemH8tNlm8LrUukafhofFwUNsaf39i6Ofzc2fDO4Rcc5DqivEp6sHmUdiUl3ORtwunkpIRXwVXBfXEL+Y8GuYgBA==
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

2026-09-17T11:10:05.850485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045067
observed d589201a3de2db05711ae34e62345578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.830177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045067/manifest.json
observed f1a824175c5d0ef718c6ab478083dc8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.812179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045067/publication.md
observed 78af2edc06ea437568c1b8bdb5c2c1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.792670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045067/publication.txt
observed 121b296f8fc288a4e698acc2cbd53956...
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.