OpenTechnical

OT-2026-000008681

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, vented after set-down, on a tool changer

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-2026-000008681) never changes.

Identity and time

Publication numberOT-2026-000008681 · never reused
Internal UUID01a0ae6a-e46b-7c06-b9ab-e6879864784d · 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-2026-000008681
StatusPUBLIC

Content hashes

Canonical textaf23a2234a6717520a8802059b91c3b96b1d1b9f5b2dd81db511064044a4c8fb
Markdown45f83d92322367c5fee5d02777e550a1f9c8cb55818897d1c3b08788e10b3e32
PDF
Publication pageee6de67a61a30b1d1f5b595771d63b20f08fb1e5488c11c784be34852c0fc94e
Manifest989c3d0abbecfc48a4b3db579ee4bca037ac087024347ca59e351923c66f2cf4

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
Signature8WmcgpdUu26ZxfIQlyS4G+ee3m4NZWvjxGL6YujcLjHt7AIGzZe2zmoz3DDIMPs/mfFl7t93mkggPUCB1I2SBg==
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

2026-09-17T12:18:39.887705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008681
observed ee6de67a61a30b1d1f5b595771d63b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.870870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008681/manifest.json
observed 989c3d0abbecfc48a4b3db579ee4bca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.852071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008681/publication.md
observed 45f83d92322367c5fee5d02777e550a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:39.834795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008681/publication.txt
observed af23a2234a6717520a8802059b91c3b9...
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.