OpenTechnical

OT-2026-000070977

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070977) never changes.

Identity and time

Publication numberOT-2026-000070977 · never reused
Internal UUID01a0ae91-8c2e-7deb-bb8b-10cbadb5d8a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070977
StatusPUBLIC

Content hashes

Canonical texte22fc511308a4a9fd567bcf5cff211eb6fe86ebe7cf36a9cf53fba05bd636f90
Markdown308861ffba2789d78dd1380accb0507fb2e0eefd690815424f38bf4b4d6f3732
PDF
Publication page175f1239eeed5dbe5665073d56a2fbb0ea2ee8c28a114aa09c5a04afe7b56567
Manifest6f50e68ead8a66fe81b470dd0b3f0f06cc09065f243e26e04d433635d53e5c34

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
Signaturej3Fl/lNbkrncjk0lkLTIZ39xgvLmNhrLWRerasSvFFrUqXWGbcd8Y2b3GzwwGw8HudXYaEktf8OFakO8Cn7mAA==
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

2026-09-17T10:25:49.110410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070977
observed 175f1239eeed5dbe5665073d56a2fbb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.093115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070977/manifest.json
observed 6f50e68ead8a66fe81b470dd0b3f0f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.076383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070977/publication.md
observed 308861ffba2789d78dd1380accb0507f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.059099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070977/publication.txt
observed e22fc511308a4a9fd567bcf5cff211eb...
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.