OpenTechnical

OT-2026-000089484

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000089484) never changes.

Identity and time

Publication numberOT-2026-000089484 · never reused
Internal UUID01a0ae9b-db02-728c-9e3d-a9a0d1da7ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089484
StatusPUBLIC

Content hashes

Canonical textaeced56e356eb9d7a452ed605488526da86a7b916daa7ceb88a94b90617e0754
Markdown83321cb65fee70552cc6a6bd2d2e3b6998e2aad8987e329d8ba67415d6f22d02
PDF
Publication page4021cc4c2d236c9fbc1814d4b2dc7526f1bcf004bd1a302424cc4c2fe6a4e19f
Manifest03c84d75501f69ebb530d6c5e7a7709a7d6f9b864d00bd37450ac84ab4214b05

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
Signature6+EAXPNxWmSjmI7xHUyrqMtIo97awag358rlhjP7bYLmklCUshDx3OoH0b3lH9QMOk26HdgChLIVa2xtQ76fAg==
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

2026-09-17T09:47:38.076577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089484
observed 4021cc4c2d236c9fbc1814d4b2dc7526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.059623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089484/manifest.json
observed 03c84d75501f69ebb530d6c5e7a7709a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.041988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089484/publication.md
observed 83321cb65fee70552cc6a6bd2d2e3b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.024324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089484/publication.txt
observed aeced56e356eb9d7a452ed605488526d...
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.