OpenTechnical

OT-2026-000042055

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold 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-2026-000042055) never changes.

Identity and time

Publication numberOT-2026-000042055 · never reused
Internal UUID01a0ae7a-5d70-7c64-8b7e-8c204bcc3109 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042055
StatusPUBLIC

Content hashes

Canonical text913bb6017bc4e84c31d119ba8f79f5c8b5864e7665a72162838b9664d245f9d2
Markdownea1ee0bc92405d3ec02847b484af56294b193f3adac0bedbaffdeec65d8cdf44
PDF
Publication page58453628c0f359ee2dfd9c42562d80f98aed1daf260fe3aa9791ae5d1ca263c6
Manifestbd733f36aa052657fd78c34a6cdc6d22ee6c86de4999f89327a0ee2eaed5ec08

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
SignatureY1Bhy5rnMoaJd1p7TSwbZjjGrYjQgmzEbspHXRM09JtL5av+85/p1EEcM2qpr8/n0rOrj3icQ2vCJmOBtjHuCA==
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

2026-09-17T11:15:34.329289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042055
observed 58453628c0f359ee2dfd9c42562d80f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.310462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042055/manifest.json
observed bd733f36aa052657fd78c34a6cdc6d22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.292305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042055/publication.md
observed ea1ee0bc92405d3ec02847b484af5629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.274780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042055/publication.txt
observed 913bb6017bc4e84c31d119ba8f79f5c8...
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.