OpenTechnical

OT-2026-000019245

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000019245) never changes.

Identity and time

Publication numberOT-2026-000019245 · never reused
Internal UUID01a0ae6e-f391-72a5-a534-52ebb458a095 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019245
StatusPUBLIC

Content hashes

Canonical text36b6f4b51f65bee8cc776016d573d8a4f1367bae1bce1fe04400633f8e58f90a
Markdowna2651ce32e474d7012f9c354be683dd3308213c04b64d7b5fcb3910ddf6426fc
PDF
Publication page43297a7fa2ffcd49e40524e8c8a5ba79af31871c014fc8eed679033ca91fba59
Manifest85de639f6eb388f021673fbb9a0f45543f35b008029a334e2d948ae9743f887b

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
SignatureywJAyjmFok1xu9XvWxFvMjGnsxJHJufiALADsBJIYo0mpKfdoua7iD4AixoH8Y8ThOtKj756Iaf5L7pRXOPpBQ==
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

2026-09-17T12:43:24.975929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245
observed 43297a7fa2ffcd49e40524e8c8a5ba79...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:24.677568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245/manifest.json
observed 85de639f6eb388f021673fbb9a0f4554...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:24.525027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245/publication.md
observed a2651ce32e474d7012f9c354be683dd3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:43:24.384292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245/publication.txt
observed 36b6f4b51f65bee8cc776016d573d8a4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.883507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245
observed 43297a7fa2ffcd49e40524e8c8a5ba79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.866419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245/manifest.json
observed 85de639f6eb388f021673fbb9a0f4554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.846368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245/publication.md
observed a2651ce32e474d7012f9c354be683dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:34.827358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019245/publication.txt
observed 36b6f4b51f65bee8cc776016d573d8a4...
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.