OpenTechnical

OT-2026-000008841

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000008841) never changes.

Identity and time

Publication numberOT-2026-000008841 · never reused
Internal UUID01a0ae6b-31b7-76b2-86ed-392df5c10744 · 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-2026-000008841
StatusPUBLIC

Content hashes

Canonical text233b0f2187eee3c6cebb0ffe0a4b8703b5078e3a42429658a073d2aa8f146921
Markdownd25349d5d6d9bc3e84981ac9669134d536d1fdeb0079c1d008772ea564fd9146
PDF
Publication page510c3c6bec9c6d8e2951994bb17099978730e48243bf513070360483a29f24a6
Manifest3dcc8f86806e20a0ea2b3addc4acf71f7d543e7ac75a0ad4c3ce1d1ac5f21f33

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
SignatureMyyBKjG6xLAX84SlgmRuZ93Kjr9b0DZKmfF9sOWqVzN9vmZtIyYQ1EUhTmCejrSowcXHlFuP1Lr/Xs5U5wf8Cg==
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

2026-09-17T12:17:24.571400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008841
observed 510c3c6bec9c6d8e2951994bb1709997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:24.552707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008841/manifest.json
observed 3dcc8f86806e20a0ea2b3addc4acf71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:24.533568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008841/publication.md
observed d25349d5d6d9bc3e84981ac9669134d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:24.513460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008841/publication.txt
observed 233b0f2187eee3c6cebb0ffe0a4b8703...
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.