OpenTechnical

OT-2026-000070015

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000070015) never changes.

Identity and time

Publication numberOT-2026-000070015 · never reused
Internal UUID01a0ae91-1861-70a9-bf5a-fc80bc0a9a9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070015
StatusPUBLIC

Content hashes

Canonical text9b85e327b3131f8730b7ae8c47207d562fca974a7df8e8b7809f87284c613ba6
Markdownb60a3cb43da493c3745df4b27800d4bc925cca16572e585568d120cf94f176e2
PDF
Publication page30cbb190bac220571e3ae1ad8c09f2cfa2891766b5dc790a16eacd18f18ac2f1
Manifestdbb55893d0c9fc23965156203891539112881a7a3274c58debf6c8da80820d85

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
SignaturePLm7D/lDpXYouLsP4/fMy0UwL72KG6YKrwz0CvuAv6UTzn98JEY0HTgmmhj2nei45/z63zEVpf83MbgJO3ULCA==
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

2026-09-17T10:26:58.046361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070015
observed 30cbb190bac220571e3ae1ad8c09f2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.029174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070015/manifest.json
observed dbb55893d0c9fc239651562038915391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:58.012000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070015/publication.md
observed b60a3cb43da493c3745df4b27800d4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:57.993170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070015/publication.txt
observed 9b85e327b3131f8730b7ae8c47207d56...
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.