OpenTechnical

OT-2026-000070039

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000070039) never changes.

Identity and time

Publication numberOT-2026-000070039 · never reused
Internal UUID01a0ae91-1861-7348-9bf1-26c376d6a6b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070039
StatusPUBLIC

Content hashes

Canonical text7bc94e61e1b7d96904e95f6ec800e6c53d2086eb372f8ba1b5f793e445c776f5
Markdown85d0d8e5d8d47bafb8d3f983f40e44e8a89298f554fa330955fe5a5590d97ade
PDF
Publication page54e1d4a524d61236f4ed6cb997175f5b11510142c0b4f4f196876740a30f474a
Manifest38ebafba26698690dda1321e4c80d2d587da1c8c80e470d1ee310c71ba198745

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
SignatureyAhbtBZgEb9EY3B+64undhOfOSbcRBwDyY2jeoM5ANSdkLOHQLzdy3TlslJs0umDhsPAGCLfdJLFndC/zCB7BQ==
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

2026-09-17T10:26:59.662920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070039
observed 54e1d4a524d61236f4ed6cb997175f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.646011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070039/manifest.json
observed 38ebafba26698690dda1321e4c80d2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.628645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070039/publication.md
observed 85d0d8e5d8d47bafb8d3f983f40e44e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:59.611531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070039/publication.txt
observed 7bc94e61e1b7d96904e95f6ec800e6c5...
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.