OpenTechnical

OT-2026-000077224

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before 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-2026-000077224) never changes.

Identity and time

Publication numberOT-2026-000077224 · never reused
Internal UUID01a0ae94-f508-7106-a7b1-44973f2df8b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077224
StatusPUBLIC

Content hashes

Canonical textfdb762896dc347035ffc36154372175bb72360ceb3dfd67965526530d5c3c314
Markdownd07455b0c82b710f34c6d56485bbe02aff0fbb97ea6f4d1c7d83f2fba57319db
PDF
Publication page715e1cf516c2a3c786d289c2db34dde16f50371749fcb2360ddb716e5b0017d4
Manifest298cf09f2be4617801590c85d14635ad17d2b83df7c89630fcc8f3e60a4d068d

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
Signaturey3QEpal6VXsmjiQz6Z6Gh3HT6yRWI1cPG54gHyVJhQ1+ciM21jL9yADXmgfLuhBvxWplmnh/BJS5xW5hmAGJAw==
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

2026-09-17T10:08:49.800543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077224
observed 715e1cf516c2a3c786d289c2db34dde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.782021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077224/manifest.json
observed 298cf09f2be4617801590c85d14635ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.762899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077224/publication.md
observed d07455b0c82b710f34c6d56485bbe02a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.743499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077224/publication.txt
observed fdb762896dc347035ffc36154372175b...
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.