OpenTechnical

OT-2026-000042958

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down

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-2026-000042958) never changes.

Identity and time

Publication numberOT-2026-000042958 · never reused
Internal UUID01a0ae7b-3277-70e6-813c-1c1ac5f508fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042958
StatusPUBLIC

Content hashes

Canonical textb233e134f46e589a1dd164893e9068da6b67a56a9f7d2bc5c3fc9ff736504550
Markdown25ed90cf692ae73b4fc1730f9f1cdfad939f6d81fb4be71bd0019ef0683e3b19
PDF
Publication page56b6cec59739492f5b522aebf507edc00b7853b4097f361c8862bfa3290cf4dc
Manifest15a2e0ba495cbf59a30c3aa0bb7f517d50e1507c9fd950b9febbd3aad30c129c

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
SignaturefHoftxjuqxnRQgSYevIlSzBiljg4DfPmMXP7XW2tx3QvjkWxpZZpAjGTGBVl0bMjBOzQLq4BzIxjri05hS4HAg==
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

2026-09-17T11:13:15.126400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042958
observed 56b6cec59739492f5b522aebf507edc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.106763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042958/manifest.json
observed 15a2e0ba495cbf59a30c3aa0bb7f517d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.089524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042958/publication.md
observed 25ed90cf692ae73b4fc1730f9f1cdfad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:15.073382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042958/publication.txt
observed b233e134f46e589a1dd164893e9068da...
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.