OpenTechnical

OT-2026-000027434

Publication integrity record

Foam pad vacuum gripper, 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-2026-000027434) never changes.

Identity and time

Publication numberOT-2026-000027434 · never reused
Internal UUID01a0ae72-6998-77f0-9351-a72e99489735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027434
StatusPUBLIC

Content hashes

Canonical text394d82ad969be2f424d71194ca8af2a5a01ef9bf6282aa6f2f461038acc13fcc
Markdown75121c172f48aa88db3179d8fa1fe68a8b14519f149d642d94b3e99e7b855e7e
PDF
Publication page412d41dffee54e8725bd2d059b11acd28304fa640911f3c3f19df120529aa335
Manifestb195a2ad7819ff19847c15cd191155088ca8ee247ca2f1b2244376fb0647d3a2

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
SignatureRUL3QNK5N3MVi21jsdN/N8sNcmLngceSe1Eg9kXFTiYaAhtLEvQZJckXdQKK5gUlW7YPANnyneqxePAVi0QgCQ==
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

2026-09-17T11:42:53.086264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027434
observed 412d41dffee54e8725bd2d059b11acd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.068068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027434/manifest.json
observed b195a2ad7819ff19847c15cd19115508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.048842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027434/publication.md
observed 75121c172f48aa88db3179d8fa1fe68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.027178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027434/publication.txt
observed 394d82ad969be2f424d71194ca8af2a5...
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.