OpenTechnical

OT-2026-000045251

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045251) never changes.

Identity and time

Publication numberOT-2026-000045251 · never reused
Internal UUID01a0ae7c-f76a-78c1-b8ea-1169563b747a · 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-2026-000045251
StatusPUBLIC

Content hashes

Canonical texte3b82feaab378e73682e970de1ed04bb801f51e412b780f5a2c71bb4a50b60b6
Markdown915aaee32015387cbc221da9ee0d73d681b7823b258762f1e8460237652ae701
PDF
Publication page75cde23883dc151ce83cf1017ee9e45e10fdda59bf903deafd1bac017f4a28e2
Manifest03006da1e01b15d7a86017d7aad58ea46916236ba809c12af0b02f5a94b0e73e

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
SignaturewzqmMi0ES8OFl36DDh3v3jtUjKq56MFv0bledjVqwmqPhCtoel6gEkgrVxuwfaPztTFeMLPk2PcDtQf7yB1LDg==
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

2026-09-17T11:10:27.317159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045251
observed 75cde23883dc151ce83cf1017ee9e45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.298486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045251/manifest.json
observed 03006da1e01b15d7a86017d7aad58ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.279385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045251/publication.md
observed 915aaee32015387cbc221da9ee0d73d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.260983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045251/publication.txt
observed e3b82feaab378e73682e970de1ed04bb...
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.