OpenTechnical

OT-2026-000074631

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074631) never changes.

Identity and time

Publication numberOT-2026-000074631 · never reused
Internal UUID01a0ae93-ac2a-7a3f-9eae-7767439a7d7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074631
StatusPUBLIC

Content hashes

Canonical text8f143a158c56f1a1e5e7c9343eaee4437768694e06e9e5ec63181f4c9708020b
Markdowne8fbe095c2757c2c9cd3fa262b417f6ae22f3cbcd2aead18e7aa51c0fef2321a
PDF
Publication page3607e9f38c764577c7cd231d1d53c5a1980c4932b0f706441588ee8917b719c8
Manifest78babe48d307dfff8533f3bfa81ec54eb206c4629ef016a70383409505efd497

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
Signature5RqxnBuAVaSKdC+5PV6Suz3H1yVDhYdHHa8iXVvJ3lsC0vdgOBYHlZIiKt9Fk9mzuG9yN5EU2mKBpz4cT4psDA==
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

2026-09-17T10:18:11.027859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074631
observed 3607e9f38c764577c7cd231d1d53c5a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:11.008109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074631/manifest.json
observed 78babe48d307dfff8533f3bfa81ec54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:10.988904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074631/publication.md
observed e8fbe095c2757c2c9cd3fa262b417f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:10.970502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074631/publication.txt
observed 8f143a158c56f1a1e5e7c9343eaee443...
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.