OpenTechnical

OT-2026-000099673

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000099673) never changes.

Identity and time

Publication numberOT-2026-000099673 · never reused
Internal UUID01a0aea2-c976-7973-b41d-8ca9db51d23e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099673
StatusPUBLIC

Content hashes

Canonical text71806f3a6bbed68193f1fb34e4d45d7eb7d54d60cd869c377c30941ebe048fac
Markdownc45387fcfd585687cd65d80281356cfdf6d4bf79d2454c5bc45392c45e7dede3
PDF
Publication pageb161081b3ad3cc467a811bc978c3b3eb5e3ff56310e5fd20ea11607cb3c86e03
Manifest92b7e9b7eb097a5ab8975a05e23ab308db0db012f7beef29e9771015e5576d0e

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
SignatureMgcQDchtCWYFaiovwvPXdzye0jJkugYgVwHEGy554swKmegVxRj/O6vfh7nweptrWaBbonuviHYKeH71JcoxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:36.918050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099673
observed b161081b3ad3cc467a811bc978c3b3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.897878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099673/manifest.json
observed 92b7e9b7eb097a5ab8975a05e23ab308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.877886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099673/publication.md
observed c45387fcfd585687cd65d80281356cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.860172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099673/publication.txt
observed 71806f3a6bbed68193f1fb34e4d45d7e...
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.