OpenTechnical

OT-2026-000104435

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000104435) never changes.

Identity and time

Publication numberOT-2026-000104435 · never reused
Internal UUID01a0aea5-3421-7918-a2bb-ce2a61f2e89f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104435
StatusPUBLIC

Content hashes

Canonical textcb2822e3951f0696be78f8b45866d5eadd08acd447f58d20bc5da319b8baa62c
Markdown906eb786ec6b218cf189d1fab06937509633373fb911b9a54ea70feb2345ad14
PDF
Publication page0732bd2ffca507a15c5bed62b36bf48ec091c4d6609533c01e39649d05830ce9
Manifest441604f9ec5841f7f569755d20ccb52a140e8ce6f9391fe37810def5668f6835

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
Signaturey4WYi8bRM/asLZc09UZ6ddKH+sbxPOhMLU8DGQKlURQ+fbD6t0BprAtD9T6Z22eFLggbZ91YBnpgp7ESOt11Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:42.688349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104435
observed 0732bd2ffca507a15c5bed62b36bf48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.670845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104435/manifest.json
observed 441604f9ec5841f7f569755d20ccb52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.654522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104435/publication.md
observed 906eb786ec6b218cf189d1fab0693750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:42.638599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104435/publication.txt
observed cb2822e3951f0696be78f8b45866d5ea...
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.