OpenTechnical

OT-2026-000007872

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000007872) never changes.

Identity and time

Publication numberOT-2026-000007872 · never reused
Internal UUID01a0ae6a-908a-75cf-95d8-7f7358530a75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007872
StatusPUBLIC

Content hashes

Canonical text10ef53461068a66010bdb9b01e983c2824a0c62c6e2e1c8c4ae7f66df339fbb0
Markdown22a33da46a2fc035164390356638ceac616ba4d895cb2baaf68045f932567b3c
PDF
Publication page9a55b3cf3cec022ef2b533a5abc351193fa753af72c2e0d884e42109f892b6df
Manifest1d6f71b2498f0e4b07d22dd3295ea1eaf78c29decaac7e82a49dc946e0238ee5

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
Signaturek1bGyZz/CSuFS2cXBmiJ2tJU1NyDcejHkWpmSfw5rYn8a67PcxzThdIZPxG5VDB1QXNkJaiMg6yju8994iarAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:19.575061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872
observed 9a55b3cf3cec022ef2b533a5abc35119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.557922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872/manifest.json
observed 1d6f71b2498f0e4b07d22dd3295ea1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.539195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872/publication.md
observed 22a33da46a2fc035164390356638ceac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.520128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872/publication.txt
observed 10ef53461068a66010bdb9b01e983c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.475420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872
observed 9a55b3cf3cec022ef2b533a5abc35119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.457535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872/manifest.json
observed 1d6f71b2498f0e4b07d22dd3295ea1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.439858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872/publication.md
observed 22a33da46a2fc035164390356638ceac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.421168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007872/publication.txt
observed 10ef53461068a66010bdb9b01e983c28...
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.