OpenTechnical

OT-2026-000053694

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000053694) never changes.

Identity and time

Publication numberOT-2026-000053694 · never reused
Internal UUID01a0ae85-735c-72f2-adfc-1cbf68519de4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053694
StatusPUBLIC

Content hashes

Canonical textd2b30d2f7444d14605c4159e1c490d82cd1ec422b8ca2af879ce2bc5081d153c
Markdownd28579667d91820301e758bc5b600a202cb3de133751ca3db48673906e2d57db
PDF
Publication pagef25da420e9564cfa282137c187155d582b393d58efd2887505f73681f233d605
Manifestdaa8ec76fe431d1bbcd9082a8c815f540a392d48b606c40121f30777e9c4cd14

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
Signaturei4L1PbDDZhekzKfT0TgCceVFwCjnC4ZoHz1B/pApy2xK2Y6Ad+GcNYfIQPg/EQ/7eZVTvKac54Al09W8affODg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:03.476300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053694
observed f25da420e9564cfa282137c187155d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:03.331139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053694/manifest.json
observed daa8ec76fe431d1bbcd9082a8c815f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:03.304583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053694/publication.md
observed d28579667d91820301e758bc5b600a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:03.283076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053694/publication.txt
observed d2b30d2f7444d14605c4159e1c490d82...
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.