OpenTechnical

OT-2026-000008150

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000008150) never changes.

Identity and time

Publication numberOT-2026-000008150 · never reused
Internal UUID01a0ae6a-908c-70d8-9c2d-bf6e745af53f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008150
StatusPUBLIC

Content hashes

Canonical text76b758ae06f93a895dc6ca7d42c7b4369ee918bdbc8e09e9ca511b422fd0f762
Markdown1be484efdbe0f929f2ffbf333e0c4cb27548379d95de2ea975e0a5ffbef212a5
PDF
Publication pagef07b434cf6ca2eff136d22928cffb747cb5e5b796f2a9897bff0f286fae8243f
Manifestbb4e5c226e0a6fdeff0f378fe7109317cda3c3dfbbb76850069bc9e0d9200768

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
SignaturedGs2qiykFxW4ONod0EN8d4vED6n1oUX3fWHcue9NDWrgzKLKgTEixmEMxnm4vTJK0KrL8XRePy2gZA55BqU9Dw==
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

2026-09-17T12:20:28.921626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008150
observed f07b434cf6ca2eff136d22928cffb747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.898842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008150/manifest.json
observed bb4e5c226e0a6fdeff0f378fe7109317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.863513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008150/publication.md
observed 1be484efdbe0f929f2ffbf333e0c4cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:28.845792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008150/publication.txt
observed 76b758ae06f93a895dc6ca7d42c7b436...
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.