OpenTechnical

OT-2026-000068200

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000068200) never changes.

Identity and time

Publication numberOT-2026-000068200 · never reused
Internal UUID01a0ae8f-c4ff-7815-8512-e134f3434341 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068200
StatusPUBLIC

Content hashes

Canonical text21865cad9287690352a4df91043de69caafce24547fdb8ad974050c7493c2737
Markdown5185553f734e1697ad6110866731f4ec81b4a3c32913bd32dcd713e19bc42be9
PDF
Publication page812951d863a2e662f478f9e16ab4be7d12e2a701eaeee0de4292c967871f4b2c
Manifest3b853a7e828d2d0c2558dbfef78be28a818eb89b11384d5276160f821d54c112

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
Signaturey35GN8qJh5Cc761Nl3gtmq2xFfZOkeUdz83+M05YxR4YAGTm4CaxOP/CjZ8oECbz9ej0fH+cpntMjRanH+8sAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:51.677343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068200
observed 812951d863a2e662f478f9e16ab4be7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.659648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068200/manifest.json
observed 3b853a7e828d2d0c2558dbfef78be28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.643081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068200/publication.md
observed 5185553f734e1697ad6110866731f4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.625164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068200/publication.txt
observed 21865cad9287690352a4df91043de69c...
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.