OpenTechnical

OT-2026-000027315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000027315) never changes.

Identity and time

Publication numberOT-2026-000027315 · never reused
Internal UUID01a0ae72-6997-7bbb-9ea3-437d7f569c09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027315
StatusPUBLIC

Content hashes

Canonical text5b8cec6569823bd61a4ed5cd004637dc51f93882ec61dfea46c39ab0df4c6815
Markdowne42293904c443c2ed2f8656c1c6dd026f5f41bd583a1c90ad63beb5632b8d652
PDF
Publication page8c1e61b57411a4ad11bf1564e2aebf2cc74e1ed091c3e607eec683c76fc3ab46
Manifest6054ccdb68d6862caf5e965dfdcf718fb9063fa83ddc3ce93ff44ea9f5ffc5bb

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
SignaturefM5SVt05ybmnY9GX0CHumNHINT/osN6GWPyMmAsJR70Uc5ttNuDsgz7C/Pg1XigpQgxRbeb5RMD+MYA38kmtDg==
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

2026-09-17T11:42:42.596550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027315
observed 8c1e61b57411a4ad11bf1564e2aebf2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.578563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027315/manifest.json
observed 6054ccdb68d6862caf5e965dfdcf718f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.562246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027315/publication.md
observed e42293904c443c2ed2f8656c1c6dd026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.546670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027315/publication.txt
observed 5b8cec6569823bd61a4ed5cd004637dc...
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.