OpenTechnical

OT-2026-000062905

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000062905) never changes.

Identity and time

Publication numberOT-2026-000062905 · never reused
Internal UUID01a0ae8c-94a8-774b-ba44-5505184a7a14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062905
StatusPUBLIC

Content hashes

Canonical textd8a9b8cf2bb06c69b3b0527cbd99142afb8febdccada40bc7c0714630e71e139
Markdownf1c07effddbcd31a0ecf7f200baf5ec093d5e40a96237fc418b9b9813c3f762b
PDF
Publication page8bfc2b1c2081880a29e7cb11adf65aa7575279a5f8cd0068cfa42f98661ebe1b
Manifestef9d0362ca5a2d937534199ffa5a23914a6ba3df0ae4734424f849b3ad9b4136

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
SignatureW+PZVERfXBmQbOqJRC0sOlkXjYIo+auSK3a2+ul/Qffzp3xG5O9rxeBlD4keVc3Y3hYut0/urs/nhAC9hKCUBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:16.664725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905
observed 8bfc2b1c2081880a29e7cb11adf65aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.644144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905/manifest.json
observed ef9d0362ca5a2d937534199ffa5a2391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.623876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905/publication.md
observed f1c07effddbcd31a0ecf7f200baf5ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.604146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905/publication.txt
observed d8a9b8cf2bb06c69b3b0527cbd99142a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.944686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905
observed 8bfc2b1c2081880a29e7cb11adf65aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.924183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905/manifest.json
observed ef9d0362ca5a2d937534199ffa5a2391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.906017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905/publication.md
observed f1c07effddbcd31a0ecf7f200baf5ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:36.886718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062905/publication.txt
observed d8a9b8cf2bb06c69b3b0527cbd99142a...
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.