OpenTechnical

OT-2026-000097504

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000097504) never changes.

Identity and time

Publication numberOT-2026-000097504 · never reused
Internal UUID01a0aea1-55b4-7781-9447-c96befd731f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097504
StatusPUBLIC

Content hashes

Canonical text5b7937e9a21070494e4f6987cbb4de7745b04a5700077ab901a36ae0778b0bb7
Markdown18e611c8b57102e2e9dfaea34d849b25d0bbe54cb750388dc1ff183dea920945
PDF
Publication pagec2de4c8623252b618e231b73cd71a3007be403e9bd28cbc1b873dfab9c0c1566
Manifest0a4176b8f606583b963d423b486a19c9554b0deb2fd494c95c21a4766f93f034

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
SignatureHoaK/p4SuPg8wkh1EEiHkSCQ2Sye3Hy+apy9AUakmsURSdCHsqQ7rA9VVWF0cxV15h+W6telti9U2ynhO6VyCQ==
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

2026-09-17T09:33:22.847285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097504
observed c2de4c8623252b618e231b73cd71a300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.825494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097504/manifest.json
observed 0a4176b8f606583b963d423b486a19c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.807386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097504/publication.md
observed 18e611c8b57102e2e9dfaea34d849b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.790090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097504/publication.txt
observed 5b7937e9a21070494e4f6987cbb4de77...
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.