OpenTechnical

OT-2026-000018950

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000018950) never changes.

Identity and time

Publication numberOT-2026-000018950 · never reused
Internal UUID01a0ae6e-d522-77cd-9643-7970412c1029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018950
StatusPUBLIC

Content hashes

Canonical text2e63613f7dd4ac6dca45f3e575e58c6b1b2884eba71824c8fba09f5e2aaf25d8
Markdown0cafaaf94a5cda4d2ccc414f60041a1949a26485904d43212732f7ece0348734
PDF
Publication page22d55ef1945089895293721658f69bb92da8b68fcd6dca8497ab26725cde7416
Manifest351ae8bb71d7fb039fa91c6ee7bf3589f6166dec6e134e3bc0ee1f10f32efc8a

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
SignaturebUyKQmf1NAMo3rat0/z5e0rriakYQ0z+KhCMrXOCdmXXw8cjT/l0FIV0ocWU1JelZ/BnezoVNWAdSvwxy/DHBg==
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

2026-09-17T11:59:37.222552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018950
observed 22d55ef1945089895293721658f69bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.204302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018950/manifest.json
observed 351ae8bb71d7fb039fa91c6ee7bf3589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.184793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018950/publication.md
observed 0cafaaf94a5cda4d2ccc414f60041a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.166435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018950/publication.txt
observed 2e63613f7dd4ac6dca45f3e575e58c6b...
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.