OpenTechnical

OT-2026-000041225

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000041225) never changes.

Identity and time

Publication numberOT-2026-000041225 · never reused
Internal UUID01a0ae79-b143-725b-a8c0-4983c25296c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041225
StatusPUBLIC

Content hashes

Canonical textc8531dd8e6fa9dd61b3b17a74bcdd2bb50b2f65dc92e1a10a30fde61e84991cc
Markdown1eedf8d06f2776807a2528c760bc0ca76c115040c6ca511aba279de167de6866
PDF
Publication pagea685ab1a5e4a4b6d1af4fcf73397b28a2ce41ca10655595ef7ee8a618830ced2
Manifestaa869bfce5f23bfa5e548a220b3115dc84ff95310ac5463f7dd0901d837a878e

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
SignaturepU/nSal5qyLiqZPXAp/yzXB/RH3kouKH04z7gzHhb8RlusuCikPVNIvbvSZC4ShC3TRuk5b87yYZM5rWsO8vAw==
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

2026-09-17T11:17:11.310136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041225
observed a685ab1a5e4a4b6d1af4fcf73397b28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.292535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041225/manifest.json
observed aa869bfce5f23bfa5e548a220b3115dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.273987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041225/publication.md
observed 1eedf8d06f2776807a2528c760bc0ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.255657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041225/publication.txt
observed c8531dd8e6fa9dd61b3b17a74bcdd2bb...
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.