OpenTechnical

OT-2026-000008638

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000008638) never changes.

Identity and time

Publication numberOT-2026-000008638 · never reused
Internal UUID01a0ae6a-e46b-7134-b339-b8623026e9d4 · 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-2026-000008638
StatusPUBLIC

Content hashes

Canonical texta612264493774fe6d83b57e2a533c2f200b0645d9538bdb01bc6b5bbe9fc0b38
Markdownea59031d409fe0e1c977a5097726d0abdc626723060dfcb72f3c805297732322
PDF
Publication pagef7ff332809d1c9839b02e167cfeffcee9f12d8ede016f195cf0406ca6fe66151
Manifest3be02e4e303a1f11b65cb40c8be6582884dbe5f1fdefef6a01680ddf83864dc6

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
SignatureUjTMVtuHElokWKbOjjOeH6c6OPGj4LaW85XM3jSx9Jbagez4dr/1OmOhnBRrt54kU8e1KsCyNCJkrU69nmHMDA==
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

2026-09-17T12:18:36.398687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008638
observed f7ff332809d1c9839b02e167cfeffcee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.379222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008638/manifest.json
observed 3be02e4e303a1f11b65cb40c8be65828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.361496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008638/publication.md
observed ea59031d409fe0e1c977a5097726d0ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.344185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008638/publication.txt
observed a612264493774fe6d83b57e2a533c2f2...
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.