OpenTechnical

OT-2026-000019146

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000019146) never changes.

Identity and time

Publication numberOT-2026-000019146 · never reused
Internal UUID01a0ae6e-f391-706b-a8a6-79fd2413f07c · 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-2026-000019146
StatusPUBLIC

Content hashes

Canonical textad7b468c10bf418fd9ffcc1dc40aa587a539dbfe7e570696f4e75f493776b274
Markdown95cc45f06bcc2b83da6154feae2da218407a4df278e5b31a7c56bf2007b2cfd9
PDF
Publication page057de7b4702d047ab98e3cdfc749b71c8f0b325ae017b345934f40954f4f7e1c
Manifestd05e60be90ca5ceae1c77d1bd8e8b3aaf91758fa5c64ffd216baa059be72b7ee

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
SignaturegBPijzMaUJMUB9Um3+iWXY4N1I7AEc6UQ+0NqUPZmPTg8fy5aHyz40Atqd/zulhlr6ClI6cJqL7vHCgkRdMQBQ==
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

2026-09-17T11:58:27.400015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019146
observed 057de7b4702d047ab98e3cdfc749b71c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.382607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019146/manifest.json
observed d05e60be90ca5ceae1c77d1bd8e8b3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.365391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019146/publication.md
observed 95cc45f06bcc2b83da6154feae2da218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.347111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019146/publication.txt
observed ad7b468c10bf418fd9ffcc1dc40aa587...
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.