OpenTechnical

OT-2026-000039773

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000039773) never changes.

Identity and time

Publication numberOT-2026-000039773 · never reused
Internal UUID01a0ae78-d8d5-742f-8063-d5e3c76876a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039773
StatusPUBLIC

Content hashes

Canonical text29ad765bb8817140cbdf1783d97b20704a105181171b2ae7b9874c40f86dbb18
Markdown823826ad8d43609f6b2e30450ed89d2bfa53fce8bbd4b90cf074bab45afe9021
PDF
Publication pagef6834a39150a78ba5c34297383bfd8b3d9809b34916683c638fb5acc3c822648
Manifest69bae1685c0818003fab7880e79bc2be22f54aee675f29c46b8e873c50a13da1

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
Signatureat73IZZOOKjklxrPDGk86bu5IUdZJ9YXbJhb7rT9kCQq7b5tPBMlpqb7igOxAVMcVdx7CHEDbbB1MYacJ0u5AA==
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

2026-09-17T11:19:59.745582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039773
observed f6834a39150a78ba5c34297383bfd8b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.729974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039773/manifest.json
observed 69bae1685c0818003fab7880e79bc2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.711044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039773/publication.md
observed 823826ad8d43609f6b2e30450ed89d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.691744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039773/publication.txt
observed 29ad765bb8817140cbdf1783d97b2070...
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.