OpenTechnical

OT-2026-000088591

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000088591) never changes.

Identity and time

Publication numberOT-2026-000088591 · never reused
Internal UUID01a0ae9b-8f0f-7e9e-927a-7a67d660d5ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088591
StatusPUBLIC

Content hashes

Canonical text2abc82c0d6e8c65ba0aa1b23c9c110f892413d6e0eb1d3aa1abd37aa129c7a3b
Markdown8cc656aca10998c7988cd36563ad037468b4ec1123aacf765cb9cb6b7b5dacec
PDF
Publication page1b3038ad628dcd0738fd88e634e8ec264e3dd602525fcdb0f7a2cdc022b893f4
Manifestfbf14a14a1f47170bca8401a66b6d8be11551abe7912fd413aef22e750e7a7a3

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
SignaturejP2ir+dFf1DXgkGHXxBWrUDtXAZnrb48M1qTjRJFVsftuMfb5hMzPtTQSpQZqG7eM08EoO9m+YPtdk8NUn+6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:47.277141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088591
observed 1b3038ad628dcd0738fd88e634e8ec26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.259858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088591/manifest.json
observed fbf14a14a1f47170bca8401a66b6d8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.241225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088591/publication.md
observed 8cc656aca10998c7988cd36563ad0374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.222548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088591/publication.txt
observed 2abc82c0d6e8c65ba0aa1b23c9c110f8...
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.