OpenTechnical

OT-2026-000018514

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000018514) never changes.

Identity and time

Publication numberOT-2026-000018514 · never reused
Internal UUID01a0ae6e-b48a-7cf0-815e-76e7dc2be361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018514
StatusPUBLIC

Content hashes

Canonical text8004dc7c8e49cfe637252c20f1f37c1e57e70ea752eed803078638773f697f18
Markdown35098f792777319414f99074417a26e69d7088caa4a4230da5a1c9c155f7ff05
PDF
Publication pagea29966452bb9426398d185793d23472b95ef218099729a9099e563668a713edc
Manifest532370bef3827b4aeb4f4dd9e9d644dfb1ad25938591c7f1999e54080b703c62

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
SignaturevPL5ifFiBXwmcwdUalU09qBS8pCi0P7iPEUmteKlw8YEVNY1yLOnmPkqbsWL8gm/LuHgyNdJLO2edUYhorLkAQ==
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

2026-09-17T12:01:17.168987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018514
observed a29966452bb9426398d185793d23472b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.149705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018514/manifest.json
observed 532370bef3827b4aeb4f4dd9e9d644df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.133343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018514/publication.md
observed 35098f792777319414f99074417a26e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:17.113299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018514/publication.txt
observed 8004dc7c8e49cfe637252c20f1f37c1e...
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.