OpenTechnical

OT-2026-000083726

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000083726) never changes.

Identity and time

Publication numberOT-2026-000083726 · never reused
Internal UUID01a0ae98-0417-70d8-acbd-83d52b6c855c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083726
StatusPUBLIC

Content hashes

Canonical text4c92a0517d1665d1b812718a6b12813b9e981f792eb5bc77905f203efc5fcdd0
Markdownef8ae66fee417230c35aaa4adf5d0e9309a6baa545d9787e56ef4694f57eb9ba
PDF
Publication page78713b65303ce90c742fffda438eaec520ef857393971199c94d080bc78f2b80
Manifest3e0e3f89ea73777e6871d66dddc68b6e13d72fbbb889acbc998c7137c100c8d4

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
SignaturehagHpPX3fzExSIvdTWIkbxYmRj41gw7w0L/tZE50jge0SVRUJV+6LhKykuY7W6IxbMak5Z9dN+1QuS0Mgl3OAw==
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

2026-09-17T09:57:21.569928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083726
observed 78713b65303ce90c742fffda438eaec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.552796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083726/manifest.json
observed 3e0e3f89ea73777e6871d66dddc68b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.535511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083726/publication.md
observed ef8ae66fee417230c35aaa4adf5d0e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.518744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083726/publication.txt
observed 4c92a0517d1665d1b812718a6b12813b...
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.