OpenTechnical

OT-2026-000057791

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000057791) never changes.

Identity and time

Publication numberOT-2026-000057791 · never reused
Internal UUID01a0ae88-6ed7-7d15-9837-37f015e587d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057791
StatusPUBLIC

Content hashes

Canonical text2dee98e0231616752bdc25afed5da1582ed84cd417cd01b121322da5e62a768c
Markdown6c11e4eb2b4076990d78e03db6392c649449a3e1aecc28cd6556dda66c05f1ff
PDF
Publication page3b4e64ceba6f9c3225e3f4e544cc11371b3feefa3ffd4b7f8e6944a9d4aa1f3b
Manifesta021d2c80c0464cf0bb2a7e94126d71d9753be11e5b33a872c143af6585ee818

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
SignaturetX2tyd85uR/iPRziKytruxZnehX97vc50FwyLk/W7SH7REut2wiA9ftdnLbtKCiTUwrIh7FHzlrGvTITK1kyBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:21.155977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057791
observed 3b4e64ceba6f9c3225e3f4e544cc1137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.136977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057791/manifest.json
observed a021d2c80c0464cf0bb2a7e94126d71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.118059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057791/publication.md
observed 6c11e4eb2b4076990d78e03db6392c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:21.099685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057791/publication.txt
observed 2dee98e0231616752bdc25afed5da158...
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.