OpenTechnical

OT-2026-000086501

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000086501) never changes.

Identity and time

Publication numberOT-2026-000086501 · never reused
Internal UUID01a0ae9a-2c97-70da-8f1f-1a547f025b70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086501
StatusPUBLIC

Content hashes

Canonical text643c82090ed292c4ac17acfc3783f70bfe34a9a424675ba6e60bec4e02bc68ea
Markdown317220d772718083bd217489bffb3dce2f8ea1d04049e2c5903bb538a14d50c0
PDF
Publication pagea0ca5149a338509eb787cab95e2e33ae5de0b4919b8283748228ed7518468dee
Manifest99e8e50e19b0c9d72b2fb76bb2d545751815ce07794f6cb75c9de156380613ff

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
SignatureI1oC9qbvx5lSIwSc95iyTkWtNsC0zFwFtbGAghGT2cgGSTFMY0s/aOdWT3XE41KQcANr0ne1mre562TPdEaXAQ==
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

2026-09-17T09:52:19.069577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086501
observed a0ca5149a338509eb787cab95e2e33ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.052673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086501/manifest.json
observed 99e8e50e19b0c9d72b2fb76bb2d54575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.035460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086501/publication.md
observed 317220d772718083bd217489bffb3dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.017237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086501/publication.txt
observed 643c82090ed292c4ac17acfc3783f70b...
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.