OpenTechnical

OT-2026-000101712

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000101712) never changes.

Identity and time

Publication numberOT-2026-000101712 · never reused
Internal UUID01a0aea4-0e16-76e2-b649-ff37785dc246 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101712
StatusPUBLIC

Content hashes

Canonical text0b45bbb9d0625301c899d624e81d9e346f8878f0f32266dab2a206ca06beeaa9
Markdownd49bcdf93b508d0ac11c185b66c3b5e02409720f1ee5c05d5e21170c98cdb97c
PDF
Publication page1fda7f13555e9853951f0132d8f8a7cf889330f8e826e09e86baccdc9f7c6bf9
Manifest558c7bc1825ecfe3c53c33f9e7be8ddb6203c8d167820ece0d1fc6b8dcdef56a

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
SignatureJyaAMcmEkWv5znhJCpNKuJ/u2xyJwksvXO2MEaWLUibH4ZYwx7NiFBcYBVpxRxyzUGi2POeEpLUzRe91l6PTCQ==
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

2026-09-17T09:26:08.475887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101712
observed 1fda7f13555e9853951f0132d8f8a7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.458753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101712/manifest.json
observed 558c7bc1825ecfe3c53c33f9e7be8ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.440848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101712/publication.md
observed d49bcdf93b508d0ac11c185b66c3b5e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:08.423239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101712/publication.txt
observed 0b45bbb9d0625301c899d624e81d9e34...
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.