OpenTechnical

OT-2026-000102358

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000102358) never changes.

Identity and time

Publication numberOT-2026-000102358 · never reused
Internal UUID01a0aea4-8589-7c55-a496-dbceaedb71de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102358
StatusPUBLIC

Content hashes

Canonical text85ea1ec8d4d45cde7fcfd7b46381726da120fc1c3ea76ec52ec27bfd11320372
Markdowna1320bb1f366d6c26161a781bdb0425887b792b55578eb3ddfecc52c2dfa0b54
PDF
Publication page5f1c415f4eba7f60f603ae83655acc9b16d9438f5d39f1c4c15670a826ab079a
Manifest4dde2c9e3ed8bcb4f95252cee0811bb9c2b7f20ad919d0edf736e4a6bc4dbffe

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
SignaturebO/0zOuD7/inuTcXWcFpG2bCustoVUi3s7PhqdkBX7zENF+8I/7QiuAVa1GwNoMjDRZeL34TdVif51KOF9DjCw==
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

2026-09-17T09:23:41.691325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102358
observed 5f1c415f4eba7f60f603ae83655acc9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.672523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102358/manifest.json
observed 4dde2c9e3ed8bcb4f95252cee0811bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.654347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102358/publication.md
observed a1320bb1f366d6c26161a781bdb04258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.635883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102358/publication.txt
observed 85ea1ec8d4d45cde7fcfd7b46381726d...
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.