OpenTechnical

OT-2026-000102306

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump 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-2026-000102306) never changes.

Identity and time

Publication numberOT-2026-000102306 · never reused
Internal UUID01a0aea4-50f3-7993-8d79-ac8d79522b70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102306
StatusPUBLIC

Content hashes

Canonical text3d382e123d103edad3cc8103da8d218e23942eef2d7384956886264cf13f5ad3
Markdown9bb8f9eb4e912520111bd20c40cca03805a40348fb60ffcc7f76436311d91127
PDF
Publication page55b53d1130be12265ed09209600afa39e95f5afa710bde677d0dd283749a11cb
Manifestf0c16902ec69bc32bb46899c1b43a940df4315d8ffa515af6853adfdc0f295ee

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
SignatureRbkBHKs2OITDU4XvQCx7uT5J2Ya+pWyTxEpUisySqoBJs3UtjaJdQRh0M31BLKl5D4wLE03BpHr5+eG1FVCzBQ==
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

2026-09-17T09:25:30.037586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102306
observed 55b53d1130be12265ed09209600afa39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.017811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102306/manifest.json
observed f0c16902ec69bc32bb46899c1b43a940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.999076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102306/publication.md
observed 9bb8f9eb4e912520111bd20c40cca038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:29.981166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102306/publication.txt
observed 3d382e123d103edad3cc8103da8d218e...
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.