OpenTechnical

OT-2026-000031356

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000031356) never changes.

Identity and time

Publication numberOT-2026-000031356 · never reused
Internal UUID01a0ae74-87ac-775f-83d9-0c0f080ba945 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031356
StatusPUBLIC

Content hashes

Canonical text35d7d6e2749867cf4064fdec08a07200a9d56291df4d05205b117b6f4e17b4a7
Markdown0dc80b099c332d3f87e2c2264d85a1ef4abc869db85e1d9f1524a10dcf8dc10f
PDF
Publication page96dead2abde9e5109a2ee1df5e527fd62cd08b7fcfffac396dfcbc6342a240cc
Manifest0af410979d9652487ff52e8bfa55ceca61e3d0019d8ae7ff75f5dbb5adcdf3e4

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
Signaturepp+5DnX/NJyhBO9B24ocWn/WkSKQxY5DiOOAlJD00LrXKgha5WtygavFsa1gm7C7CwUsnpKukoJgRoDj/gwfDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:03.388758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031356
observed 96dead2abde9e5109a2ee1df5e527fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.371488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031356/manifest.json
observed 0af410979d9652487ff52e8bfa55ceca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.354843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031356/publication.md
observed 0dc80b099c332d3f87e2c2264d85a1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.337754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031356/publication.txt
observed 35d7d6e2749867cf4064fdec08a07200...
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.