OpenTechnical

OT-2026-000048210

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000048210) never changes.

Identity and time

Publication numberOT-2026-000048210 · never reused
Internal UUID01a0ae80-4de2-7d2d-90d0-3debc2489fb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048210
StatusPUBLIC

Content hashes

Canonical textb6dc56a8dad62417313934b892b5e68b8f5d045277aa3a88b386f28406a7234b
Markdownd5d566493edeff9ddb61f63a136ec38ec1f9f4f60e7ad0d093430e47d8b5bc9e
PDF
Publication page2823bbe4e2fe34b4d248de985bb95e7dea2033b428914dce207bb409ae99349a
Manifestee49b51821c6046041abdf3576b8bddcdd02a118aa770cb9dde13a8972060473

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
Signature/OBLqHVuL6Iw7gq7jyr0JzMei71oucWjP0VROe0K5wNEpbUFjI3Hfp9JPnF7aXGyd6yieZlB99EeibFY9V8FAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:45.527758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048210
observed 2823bbe4e2fe34b4d248de985bb95e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.508395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048210/manifest.json
observed ee49b51821c6046041abdf3576b8bddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.488591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048210/publication.md
observed d5d566493edeff9ddb61f63a136ec38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.467912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048210/publication.txt
observed b6dc56a8dad62417313934b892b5e68b...
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.