OpenTechnical

OT-2026-000096157

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000096157) never changes.

Identity and time

Publication numberOT-2026-000096157 · never reused
Internal UUID01a0aea0-585e-7546-b61d-20ba67d179d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:59.115534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096157
StatusPUBLIC

Content hashes

Canonical text1ab240fd33ebfd543d8cf48aad03c2b2f70f59cceaccbe03685bbbd81303bb0f
Markdown87b249086133e445c45dec12057ddaf02da90154eade73209c7d59df2c258355
PDF
Publication page6f71c82ff95729e76c82f5368eec4e0a25b26c786f8fcba6f28f792487cdc1d4
Manifestd7f478dd1c320def06547a7de224c9231f4e1e41cccb99ee804780c305ea5e92

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
SignatureIzvz1djKqP6/BQSGEdc9HeDyMv4BKVEBCM8oUY2N8ExeFLeeC5j+foenQccF9hpUNjU67KxIyQfQ6Io2akqOCQ==
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

2026-09-17T09:34:39.708908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096157
observed 6f71c82ff95729e76c82f5368eec4e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:39.691485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096157/manifest.json
observed d7f478dd1c320def06547a7de224c923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:39.671888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096157/publication.md
observed 87b249086133e445c45dec12057ddaf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:39.653435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096157/publication.txt
observed 1ab240fd33ebfd543d8cf48aad03c2b2...
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.