OpenTechnical

OT-2026-000080374

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000080374) never changes.

Identity and time

Publication numberOT-2026-000080374 · never reused
Internal UUID01a0ae96-7e77-780f-8f73-fd1423cf3d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080374
StatusPUBLIC

Content hashes

Canonical textc86d0396f5cda6b2c3017d22fe67926108ff270d1437572044fd9d6eb51dcc00
Markdownfb22e79cdb30921cf2c1e23dbea713ed9ac54cc39b91e6240a77045db2edbe45
PDF
Publication page76d04e3cf76c28d2765cf56ea18a3b0b7b8a8473f3ac2a12eddb346f3cbb060b
Manifest7918a17e78c572b4635c3f330d582d4db53d85f2b6ae837fddc51cc3f67b0742

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
SignatureR/qgoBtZ1SiSuXxbFaHc50dV6wEhsj4Ev/0HSIXGdLOrVYXoRxEqYCkWzNPMRSMo4dmIx8+XqUNvDL4uwFBjBw==
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

2026-09-17T10:02:51.939142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080374
observed 76d04e3cf76c28d2765cf56ea18a3b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.920585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080374/manifest.json
observed 7918a17e78c572b4635c3f330d582d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.903413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080374/publication.md
observed fb22e79cdb30921cf2c1e23dbea713ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:51.885125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080374/publication.txt
observed c86d0396f5cda6b2c3017d22fe679261...
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.