OpenTechnical

OT-2026-000069667

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069667) never changes.

Identity and time

Publication numberOT-2026-000069667 · never reused
Internal UUID01a0ae90-b52c-7b24-b729-f486c83d4cc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069667
StatusPUBLIC

Content hashes

Canonical textc3617528553aa9fc6b56f2f73aa51ef40d55552529076e6f48d2082f2a68e3e5
Markdownac8098b27bcb0318c8c419509b366c42ece142ed9c305d6439f749353be40f5c
PDF
Publication page2c6245d01378a07378cceef2ec208202f5fc6403f5c17cb9a679a4bce1ff181c
Manifest0bbbcb6be24770a9a4e6424aa974e48ecfccd3f1d09748a991344df859d80e8b

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
SignaturerVh+7Ykk3l9qmzcLD6sYpaWolToX6Ucaq6/3NaxZCSDVh3tham3FvMsHpbrLluY6jShLkGgy8hDwBC/CXUP3AQ==
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

2026-09-17T10:28:20.238060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069667
observed 2c6245d01378a07378cceef2ec208202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.219764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069667/manifest.json
observed 0bbbcb6be24770a9a4e6424aa974e48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.201846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069667/publication.md
observed ac8098b27bcb0318c8c419509b366c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.182199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069667/publication.txt
observed c3617528553aa9fc6b56f2f73aa51ef4...
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.