OpenTechnical

OT-2026-000088033

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000088033) never changes.

Identity and time

Publication numberOT-2026-000088033 · never reused
Internal UUID01a0ae9b-1aa7-7e98-b11e-4e867ac702e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088033
StatusPUBLIC

Content hashes

Canonical text3e08fb3bf00abd89fe948c164dfc1d5b7904e7d7c6b74bd101ab8713f7dec02f
Markdown8e2f9ddec718afbd667e63419e7b01f361da4b27d2e36187c015dba23fa9a936
PDF
Publication pageeff69027123d3eec41476afe8888ed9b0281c4f97476520d003a4a6515377135
Manifestc066fef622e16aa7b88b5edcdfe0cd836fa474507e9eeeace37ae5bee5f7273b

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
Signature9jP849K9zGIGvXUGkbeEJHNDXqSNPQGHnbGu0cmIgi6dMQipGDz/Y+pOE4RykRFW9ENwG4n+cNTu3FyWQ1vTCA==
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

2026-09-17T09:49:25.280722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088033
observed eff69027123d3eec41476afe8888ed9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.263299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088033/manifest.json
observed c066fef622e16aa7b88b5edcdfe0cd83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.246317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088033/publication.md
observed 8e2f9ddec718afbd667e63419e7b01f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:25.229231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088033/publication.txt
observed 3e08fb3bf00abd89fe948c164dfc1d5b...
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.