OpenTechnical

OT-2026-000008612

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, vented after set-down

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-2026-000008612) never changes.

Identity and time

Publication numberOT-2026-000008612 · never reused
Internal UUID01a0ae6a-e46b-727c-98a9-f8d900afd66e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008612
StatusPUBLIC

Content hashes

Canonical textf83b41a64754bb52c2e4013a47730178b542b9031536fd5b1687e788ef928b48
Markdownd82378a315a133073ef632c806659882808a895d198b844c14b2bbc61a211f6e
PDF
Publication pagea5df3490c69b62331cc12579f78f3214c8f507d11191fad06f01ef075023a566
Manifest02796bd005ff96ff88db447a503fb64bf7536c36dfaedf0de75876401e0291b3

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
SignatureR2FKw/gV3LFsp9qFmn0zXUv39FCYkZlx6bRPPU2rJpIMXGVByk7ef6h5PCk/kgnAEI7GE+vM4tymj18S0/RXBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:34.170013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008612
observed a5df3490c69b62331cc12579f78f3214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.148375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008612/manifest.json
observed 02796bd005ff96ff88db447a503fb64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.127776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008612/publication.md
observed d82378a315a133073ef632c806659882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:34.103580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008612/publication.txt
observed f83b41a64754bb52c2e4013a47730178...
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.