OpenTechnical

OT-2026-000013627

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000013627) never changes.

Identity and time

Publication numberOT-2026-000013627 · never reused
Internal UUID01a0ae6d-8de8-7f7d-9482-d886f6da7017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013627
StatusPUBLIC

Content hashes

Canonical text3bfea820a0768a82a0045d341d20dc4be80a177357d86448e528e5110e46901e
Markdownd1ea7f049aa696f8b4c51b04be8ee34856178540cdf1f606d04a9f994a57e1b2
PDF
Publication pagec642d14fcce1d8a564daebf310bd7b876ce38b5e68740d4181a8cf012c20b44c
Manifest72c4174c5cc96ece0c3e4c403d3713acec1876e3cbf764a3f0cc25abcc062cd8

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
Signature2MIYHLYMTual/ImGbGcQl7M76P5RxOgcxHsCvpWPjyPG5ju2Ji19R1NUGlOxzn+bQDg5vSEt/yyCwOfIMrnFAQ==
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

2026-09-17T12:10:32.547610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627
observed c642d14fcce1d8a564daebf310bd7b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.529159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627/manifest.json
observed 72c4174c5cc96ece0c3e4c403d3713ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.510429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627/publication.md
observed d1ea7f049aa696f8b4c51b04be8ee348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.489745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627/publication.txt
observed 3bfea820a0768a82a0045d341d20dc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.563617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627
observed c642d14fcce1d8a564daebf310bd7b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.544783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627/manifest.json
observed 72c4174c5cc96ece0c3e4c403d3713ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.525880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627/publication.md
observed d1ea7f049aa696f8b4c51b04be8ee348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.508269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013627/publication.txt
observed 3bfea820a0768a82a0045d341d20dc4b...
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.