OpenTechnical

OT-2026-000015821

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000015821) never changes.

Identity and time

Publication numberOT-2026-000015821 · never reused
Internal UUID01a0ae6e-0c4c-7440-805f-6d7edf686d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015821
StatusPUBLIC

Content hashes

Canonical text9d5d6a5840e5d458274859973bb6b356ac912c3e0f42ad106f69032613cf5943
Markdowncbb40048ad2878b75f9f85df2e1b180fb95ac54336d0066e19869cf21b1a48a6
PDF
Publication page3473edd4af1400668b2f4ef400fac5e03027e45c96b853674b5fdcc0cdd369c5
Manifest13fdf768a5ab91a4d7c223d8891161fbb54d3f4976a8063a296f7e6e9641dd75

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
SignatureRsOB92ldsMCGnrgFSi6KsUCn9SyK3ye3/fJFqMtcGoZwBuUX16mkR6tnm8Btbuq6Lh+kaHFkDbT/cvUuRvRPCQ==
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

2026-09-17T12:05:08.105484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015821
observed 3473edd4af1400668b2f4ef400fac5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.088488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015821/manifest.json
observed 13fdf768a5ab91a4d7c223d8891161fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.070038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015821/publication.md
observed cbb40048ad2878b75f9f85df2e1b180f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:08.051634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015821/publication.txt
observed 9d5d6a5840e5d458274859973bb6b356...
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.