OpenTechnical

OT-2026-000102588

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000102588) never changes.

Identity and time

Publication numberOT-2026-000102588 · never reused
Internal UUID01a0aea4-858b-76a3-bcb7-6f81bd96f91a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102588
StatusPUBLIC

Content hashes

Canonical text39d076dd440b398dbf08de60390f22eed42452457a655eda235c78dcc72aac87
Markdown9f01ffc660748874179e5f4ae59b0fa0f95fc674f863de2b5e245c8b73dec208
PDF
Publication pageacc748620c93f1dd58ebab1db03d1d5a0a5d6297667a5e9af3d293cd9270f13d
Manifest4df2ac333ebb747439e440a626e7bbc6f1be79e346b24148377c6579a4085d59

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
SignaturesVtz5dFlDFOhqrepmPEX5I9WaFwgC2Eku/JwjkDSXJf3F272UhFMwYKaknso7Hmr/j/xtfBZ8Oqij59Dyar2DQ==
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

2026-09-17T09:24:04.417860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102588
observed acc748620c93f1dd58ebab1db03d1d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.399711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102588/manifest.json
observed 4df2ac333ebb747439e440a626e7bbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.381501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102588/publication.md
observed 9f01ffc660748874179e5f4ae59b0fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:04.363603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102588/publication.txt
observed 39d076dd440b398dbf08de60390f22ee...
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.