OpenTechnical

OT-2026-000078306

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000078306) never changes.

Identity and time

Publication numberOT-2026-000078306 · never reused
Internal UUID01a0ae95-7c27-7785-94da-0cdf96f08d64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078306
StatusPUBLIC

Content hashes

Canonical textdb2936fca0e464bf97b53f30c739d72d77513200ea2b5f492158ec3a32ebd018
Markdown958f4516eb4add01cb1ad7280214751b0ed9911fc3aa4d949d7cb598652cb289
PDF
Publication page289b8ca48358c0bfe037d3e751dfbaac52080ff5aedce9a308e5b67a42662498
Manifestdb6877a789f0666d57190747934523aeda60855c41a3dd07723091602b7308a1

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
SignatureaT+2rAPFSQBMEd41hVTEfPe6ZXlr5pevjD/Z+Tbn0IhcEnFxc4DxYchc5tahWlC5qJhNTvYZeLeIFc9fmqYWDw==
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

2026-09-17T10:06:01.676210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078306
observed 289b8ca48358c0bfe037d3e751dfbaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.656067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078306/manifest.json
observed db6877a789f0666d57190747934523ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.606478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078306/publication.md
observed 958f4516eb4add01cb1ad7280214751b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.565865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078306/publication.txt
observed db2936fca0e464bf97b53f30c739d72d...
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.