OpenTechnical

OT-2026-000069105

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000069105) never changes.

Identity and time

Publication numberOT-2026-000069105 · never reused
Internal UUID01a0ae90-6dce-7bcc-af80-856f8973364c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069105
StatusPUBLIC

Content hashes

Canonical textd77574f3fa82ad3c86d514d5bd24ba345953a8c88ffdb7b54715fea87e5398c7
Markdownc89adf26f53577f4f7dc7497bb64bbabd8a02000900f68ba492789cc15a239a7
PDF
Publication pageb75120bb539d7b34fd18566c44180edf94670d7f9e7307ce5d6ec5e9e675689c
Manifest05f19718a7e300ecfeeeecb6420f0645c7593bd93dd915abea1d80bbe9715a34

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
Signature6VfwI6VUOdcQhDbPq8zIWy7BkuFGuDwerfVvKdLlxPH4h/hN+adiXY/Ak5baq4r/SQg+pMhd8jS5ZBoLJPWkBg==
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

2026-09-17T10:28:58.963909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069105
observed b75120bb539d7b34fd18566c44180edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.945699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069105/manifest.json
observed 05f19718a7e300ecfeeeecb6420f0645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.927808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069105/publication.md
observed c89adf26f53577f4f7dc7497bb64bbab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:58.909048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069105/publication.txt
observed d77574f3fa82ad3c86d514d5bd24ba34...
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.