OpenTechnical

OT-2026-000016817

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000016817) never changes.

Identity and time

Publication numberOT-2026-000016817 · never reused
Internal UUID01a0ae6e-5919-7bc9-ad2a-29fae7dd5ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016817
StatusPUBLIC

Content hashes

Canonical text74cf202fd894566cbf2f8b76cfd01a9007a63ca8511a555306e449e4c15ecdfa
Markdowna25476f33c35f1f6059ba57793f503df7764d2072f72c03a69951cd948cf2670
PDF
Publication page78280e0c345f2c8def0ad67d531973df1d85bd75ef12f33e133ceac419c59217
Manifestf982e11cbb9329407fba86972d527b3ef31d3de17da7c1a2f2a1cbd96f676c59

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
SignaturesnU8IeuL4cODo2QhLBmNLm8VycOXmBgM7eI4hIMeZRyH6+9rXxdaH6YeFkqXVBo9gz9ZrYtEwsA28yeZ60JsDw==
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

2026-09-17T12:03:04.402952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016817
observed 78280e0c345f2c8def0ad67d531973df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.386034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016817/manifest.json
observed f982e11cbb9329407fba86972d527b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.368450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016817/publication.md
observed a25476f33c35f1f6059ba57793f503df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.349767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016817/publication.txt
observed 74cf202fd894566cbf2f8b76cfd01a90...
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.