OpenTechnical

OT-2026-000039541

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039541) never changes.

Identity and time

Publication numberOT-2026-000039541 · never reused
Internal UUID01a0ae78-d8d3-7e69-bddd-458385690ae8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039541
StatusPUBLIC

Content hashes

Canonical text81140c2b8189af67e9d5c63f437a8546cb044b1fa564fa45706e6a731b967ada
Markdown3de8c5a4ac20ef4aecff55237f2406522edf22e1e409af491fd685a0909c5056
PDF
Publication page6b12f3faf565ea86f766f16edf8632fde599e8981b672096fc607204f8e46579
Manifest6a0952e2ff76db2469bacbeadb93e8903808339a2735f160e9d9b77af1082a27

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
SignatureTgQI5EXqmMe1n2YcPYNv18oiG+zUB4TVkQPQ//FeOAIwhEe0svRTIDfUhdANgpiqtj3B4doADsIbJWiqGH3NCA==
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

2026-09-17T11:19:41.378932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039541
observed 6b12f3faf565ea86f766f16edf8632fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.360586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039541/manifest.json
observed 6a0952e2ff76db2469bacbeadb93e890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.342568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039541/publication.md
observed 3de8c5a4ac20ef4aecff55237f240652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.324876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039541/publication.txt
observed 81140c2b8189af67e9d5c63f437a8546...
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.