OpenTechnical

OT-2026-000055894

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before 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-2026-000055894) never changes.

Identity and time

Publication numberOT-2026-000055894 · never reused
Internal UUID01a0ae87-0a49-7d85-8c15-b2de2a955911 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055894
StatusPUBLIC

Content hashes

Canonical texta5d678ead51b50fc06f40e512e4b17a47ade55df599b5c766d47e564cb451356
Markdowncb6d28c8b5108039df799d959447979456b28a8c745cb70fc5c02544d55698af
PDF
Publication page23b904b12a74503b711e7608e694704d101ba6d3096883e6afbcbeac1e862d6c
Manifestd4fdb81d5eeae330f6d223ee803ad01ddb450175ac99df6598aab5c86c7897ef

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
Signature5qD5khY//eEytMpYQldoPHjdxFHHHd494+kOK0QCUrlpnhTEF2J9Lch3xIGXWJvVK3QdaSYDTdv5GWpI7sDKCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:12.170198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055894
observed 23b904b12a74503b711e7608e694704d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.152825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055894/manifest.json
observed d4fdb81d5eeae330f6d223ee803ad01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.134851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055894/publication.md
observed cb6d28c8b5108039df799d9594479794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.117469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055894/publication.txt
observed a5d678ead51b50fc06f40e512e4b17a4...
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.