OpenTechnical

OT-2026-000082542

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000082542) never changes.

Identity and time

Publication numberOT-2026-000082542 · never reused
Internal UUID01a0ae97-8cc7-73e5-ad61-e407defe713b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082542
StatusPUBLIC

Content hashes

Canonical textb6080f835518fae24b3d66a0a355b3cf2405c31c4f6517b4407e6574463141bb
Markdown4942bf269c0e58a975e1b3c5d8f688cf8aa787985a72c3c92890454929b6ce6b
PDF
Publication pageea4b9c451556b930bdd33e724ab73a264a453b3dbabc1a1b3ceaa4472a9e1bc2
Manifest3ecc2fca1b137232cd77dadf174183d0fb392698baddf52dae08b6a7d7a7d78c

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
Signature5zhlI3QwZhzbcCDEl8fCkPycjkhR1ZokfENuZBlQuURTLJyzYSPoe7ViS6KQnlUGXfVYbFsxnSE1+qlFhlWiCg==
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

2026-09-17T09:57:58.662608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082542
observed ea4b9c451556b930bdd33e724ab73a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.645680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082542/manifest.json
observed 3ecc2fca1b137232cd77dadf174183d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.630861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082542/publication.md
observed 4942bf269c0e58a975e1b3c5d8f688cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.615210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082542/publication.txt
observed b6080f835518fae24b3d66a0a355b3cf...
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.