OpenTechnical

OT-2026-000102231

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102231) never changes.

Identity and time

Publication numberOT-2026-000102231 · never reused
Internal UUID01a0aea4-50f3-7e84-ac3c-bea1c11f5a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102231
StatusPUBLIC

Content hashes

Canonical textdb8e9f461b8529800d631a12aed654f2ac82663288ca4ef19ac0bd89c6479bd2
Markdownf0e57ff7dd908caac2ff73094395708df5cf96e59b520f3d286c58d64b3174c5
PDF
Publication page469d76c62a80ced2d7fbaa010122c1653afdb61161b347e6cc9440e73770ffa1
Manifesta8952bf5310ce09478b3fbe4aa20c51b16d0c70e89bc39b9eacf91a729465f74

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
SignatureFmtyUPYPihMFDwQvzmJn4PhgGY17ruwDTYj+LZm9cM733j0PVsrLsBev6y0oFALEoyRy99mMjfy9mfTyKkpjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:24.609895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102231
observed 469d76c62a80ced2d7fbaa010122c165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.593542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102231/manifest.json
observed a8952bf5310ce09478b3fbe4aa20c51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.576558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102231/publication.md
observed f0e57ff7dd908caac2ff73094395708d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.560599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102231/publication.txt
observed db8e9f461b8529800d631a12aed654f2...
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.