OpenTechnical

OT-2026-000050825

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000050825) never changes.

Identity and time

Publication numberOT-2026-000050825 · never reused
Internal UUID01a0ae82-c7b2-7983-aa1c-cb15eee65c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050825
StatusPUBLIC

Content hashes

Canonical texta126695165f055158da5cf46fbb330dff2059001b94f595e2668e3dd1f664d57
Markdown56515b1574ff6fff02722965d56cbf81b5a6d23f82ec0885163b0d014961d1bd
PDF
Publication pagebc42da2eb85b24f23bd33a0d6160703d29c8fde8563f4e430f6233d12944aa84
Manifestf5fbedef72aadb3ff352eae6117fdb155d9fc1c1ca684155251cdb2e72339456

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
SignatureOGuazmC5FtX49mXvK/trmadSWvNWBClB+M2NnHoHUKwElzZqhda60hqgp7lmJfoNx2oSoT9oZ/ZwQipG03f2BQ==
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

2026-09-17T11:00:22.650117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825
observed bc42da2eb85b24f23bd33a0d6160703d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.616310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825/manifest.json
observed f5fbedef72aadb3ff352eae6117fdb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.584404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825
observed bc42da2eb85b24f23bd33a0d6160703d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.579902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825/publication.md
observed 56515b1574ff6fff02722965d56cbf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.557241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825/manifest.json
observed f5fbedef72aadb3ff352eae6117fdb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.554458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825/publication.txt
observed a126695165f055158da5cf46fbb330df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.530326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825/publication.md
observed 56515b1574ff6fff02722965d56cbf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.500970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050825/publication.txt
observed a126695165f055158da5cf46fbb330df...
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.