OpenTechnical

OT-2026-000062361

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000062361) never changes.

Identity and time

Publication numberOT-2026-000062361 · never reused
Internal UUID01a0ae8c-0abf-7973-a1da-298ab4c9d7de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062361
StatusPUBLIC

Content hashes

Canonical texte6eb20d26b01f6da92380b254416ff4c9248f3b64c9e40c4912feed4b517196d
Markdowne3358baaf693c359f5844a998c3bfc390118725f4de36f5b4addbbe31ea1a131
PDF
Publication pagec42b74671aac53426cc77ccbeb7d9dac80776311672429c4a6efbc23afd1bac1
Manifeste4c4c8390aa913e77d5659f77214c8f5a5cb8a70fa429b3e91ce1d9f2e1609ce

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
SignatureXcDdc6sUI2gvnCkCabpesLEESCxSQdgQrw8uJLUV5JHfvSlNUOIeDsnbuUYtzYXmdSZgLHesS+2lJzFfK1ZVBA==
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

2026-09-17T10:39:40.629240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062361
observed c42b74671aac53426cc77ccbeb7d9dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.612524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062361/manifest.json
observed e4c4c8390aa913e77d5659f77214c8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.595207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062361/publication.md
observed e3358baaf693c359f5844a998c3bfc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:40.577832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062361/publication.txt
observed e6eb20d26b01f6da92380b254416ff4c...
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.