OpenTechnical

OT-2026-000013629

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000013629) never changes.

Identity and time

Publication numberOT-2026-000013629 · never reused
Internal UUID01a0ae6d-8de8-7621-898b-de5a80efd164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013629
StatusPUBLIC

Content hashes

Canonical text4b4fcf08841e621aa3bde755484bbc68292deac410975b86f7b28e9e2abd8756
Markdowne9af92acc17e73b4a138be594155499b2b3ba3cf744d061f2047e2236dd8052b
PDF
Publication pageb903f382f7976cc13a36a4e8a1c8110fdd68985b8dc548c39bbef6769f0986a3
Manifestfe598449579e170fe0cafa05a80a4515977d592d2136e9a995292e153fdb82fa

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
SignatureYzAxIFO4DsluiXx0elRw0iVlXJXt5zp3KNzdTCb1SZrQC20gURHxRGEgGKp+wXXlnoKfiBSiPHpWHClRMUPTCQ==
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

2026-09-17T12:10:32.700153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629
observed b903f382f7976cc13a36a4e8a1c8110f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.680728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629/manifest.json
observed fe598449579e170fe0cafa05a80a4515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.661845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629/publication.md
observed e9af92acc17e73b4a138be594155499b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.643873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629/publication.txt
observed 4b4fcf08841e621aa3bde755484bbc68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.728225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629
observed b903f382f7976cc13a36a4e8a1c8110f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.708397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629/manifest.json
observed fe598449579e170fe0cafa05a80a4515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.686888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629/publication.md
observed e9af92acc17e73b4a138be594155499b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.665428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013629/publication.txt
observed 4b4fcf08841e621aa3bde755484bbc68...
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.