OpenTechnical

OT-2026-000095491

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump 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-2026-000095491) never changes.

Identity and time

Publication numberOT-2026-000095491 · never reused
Internal UUID01a0ae9f-8f73-72a3-9242-dcacf3e797e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095491
StatusPUBLIC

Content hashes

Canonical text030caeba0b725cd6ddf43009a34092be93f6d42948df15d45f939d335213f440
Markdown8599e7eb7f2e4961e71ccec04d3c6b1f8f7052b258333a801fe7d5ba0f4353a5
PDF
Publication pagedbc0333c2e74b6a30a5d8df68d78c8e8390b71dff74e1a2cf8de59f1766f4af0
Manifestc82cfeaf7447b76465c3f6308a15c255f583af942e1084867945b682af2f93f7

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
SignatureAYwVRoTlAiouskv7rRGPSFH4LjM1X6zXlShzK28SvjhMmP3b5M5qTjsTJJo0kl9HhFP6ZNbd6Cp6U3wRpB5MCw==
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

2026-09-17T09:36:53.541599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095491
observed dbc0333c2e74b6a30a5d8df68d78c8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.521868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095491/manifest.json
observed c82cfeaf7447b76465c3f6308a15c255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:52.176209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095491/publication.md
observed 8599e7eb7f2e4961e71ccec04d3c6b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:52.160308ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000095491/publication.txt
observed ...
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.