OpenTechnical

OT-2026-000100537

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100537) never changes.

Identity and time

Publication numberOT-2026-000100537 · never reused
Internal UUID01a0aea3-66f0-7c73-8ebf-0ce1ab0d3624 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100537
StatusPUBLIC

Content hashes

Canonical textb688efd7bd06c37238dcf4514ace4dfc28a2f3064e7b1b6d7bc9c5351b729990
Markdown9297a17b95b1835c8b5da30b29421c98594f10ba862c62f6c3f5394ba6f966ce
PDF
Publication pagec7bcf28dc8f5da0cd6245eba0068e53315e474b5b5e03ac69c0f68a16c9d42fe
Manifest47224510fbe475b43fcf451769d8aa0d604507a806c91bc35881596cc9433f5e

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
Signature4BZuSD5gDp65qy8wF4gyFpjpZa2y0UFbglp9E2zP8dzVR2Q09pINRqLB5ksUpwO/rwMBrdIXfKwM7JQ3sIUOBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:18.587357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100537
observed c7bcf28dc8f5da0cd6245eba0068e533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.569324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100537/manifest.json
observed 47224510fbe475b43fcf451769d8aa0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.550793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100537/publication.md
observed 9297a17b95b1835c8b5da30b29421c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:18.532057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100537/publication.txt
observed b688efd7bd06c37238dcf4514ace4dfc...
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.