OpenTechnical

OT-2026-000009105

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, vented after 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-2026-000009105) never changes.

Identity and time

Publication numberOT-2026-000009105 · never reused
Internal UUID01a0ae6b-31b8-774e-b914-e744bc7bd8cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009105
StatusPUBLIC

Content hashes

Canonical textb2e47c1d1fd17a92d225a9a8eddf6e1b246a8e532f1a89eb54025c6d2b1c8020
Markdownc363b961fdfa1a00c998e6c6283a09190735963b4172d0bb5be55c10b0770ca3
PDF
Publication page5dfda65393271ceb16521b8b26bb12de4926eb5c8b111368102892d1d0f19c24
Manifest321a6b28a6df544722eeed24eeff253022e1a6c57a67d84f259be6bf2e6d5473

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
SignatureZ4vXf/EupMYtip1MWp4xlUjTz8BKIbtv5UhEdV13A23VBJIeLPphs5z6sqzVTk/W3c/23FKGkcAU76+/0mDmCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:47.196253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009105
observed 5dfda65393271ceb16521b8b26bb12de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.175884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009105/manifest.json
observed 321a6b28a6df544722eeed24eeff2530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.156192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009105/publication.md
observed c363b961fdfa1a00c998e6c6283a0919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.136330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009105/publication.txt
observed b2e47c1d1fd17a92d225a9a8eddf6e1b...
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.