OpenTechnical

OT-2026-000086301

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained blow-off 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-2026-000086301) never changes.

Identity and time

Publication numberOT-2026-000086301 · never reused
Internal UUID01a0ae9a-2c95-75f9-b71c-abe1d6bbbcee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086301
StatusPUBLIC

Content hashes

Canonical text537b75c2d1fe5e2bc2cb381ac786f1af8b6ff9e9c0b21bedd5555e6aa149e0b9
Markdown2e07cd6f96116a86fba5a0d23cca0f846d99aed50b20d1d9a0a299f3e753ca36
PDF
Publication page7fedb9d35c817026a16f8155eaede53cba7ab990b461fd13b88135357cbabed7
Manifest875d7980990f98485d5515303911cb7764c90e3119cd8c104ab1285296fb6c34

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
SignatureVPNXbaFPaDYFttmtNiCbske1b4QuY+CMpBvZgI8sHlbTNXznXQMxOfvY+XM6i+MNtVZKtXYBCAN9UKl9DP8eAw==
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

2026-09-17T09:51:58.844749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086301
observed 7fedb9d35c817026a16f8155eaede53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.822515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086301/manifest.json
observed 875d7980990f98485d5515303911cb77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.801918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086301/publication.md
observed 2e07cd6f96116a86fba5a0d23cca0f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.783361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086301/publication.txt
observed 537b75c2d1fe5e2bc2cb381ac786f1af...
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.