OpenTechnical

OT-2026-000008737

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000008737) never changes.

Identity and time

Publication numberOT-2026-000008737 · never reused
Internal UUID01a0ae6a-e46c-7d9a-81c9-d49cc41c3538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008737
StatusPUBLIC

Content hashes

Canonical text7718f88e85d8aed489fb398f1c1924009c6dbe3eee3136b667c492b1a7509c92
Markdown061f52d8126a82dc53c325d1d9e72145989215b66e6a79c13cee8a8a88cde8e0
PDF
Publication pageaa68137fb96a5d5faca93e294d2dc6d3fea96a191128fb2341283ca64ed763ad
Manifestc7e9ebec96cd838b177ce48e093ede83b23d43dc01b81b673a089ad22c9f20fe

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
Signature6T7ZRsJuxQq7ilkhhWaKs92BcJ7HHGYJMTixHP/+eoLWdjJ98mYriWKjwEmvcybuS11Ek6QcHJ1tWtg/H6oaCQ==
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

2026-09-17T12:18:49.572616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008737
observed aa68137fb96a5d5faca93e294d2dc6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.553473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008737/manifest.json
observed c7e9ebec96cd838b177ce48e093ede83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.535973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008737/publication.md
observed 061f52d8126a82dc53c325d1d9e72145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.514212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008737/publication.txt
observed 7718f88e85d8aed489fb398f1c192400...
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.