OpenTechnical

OT-2026-000006676

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, pump fed, contact triggered, rubber cups

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-2026-000006676) never changes.

Identity and time

Publication numberOT-2026-000006676 · never reused
Internal UUID01a0a963-926d-73e0-90b1-4f30b51e5325 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:30.193075Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006676
StatusPUBLIC

Content hashes

Canonical text2f2ffe68711ea144149652da3c9b6b4232c60b7aecd2d56cd63b9012f062916d
Markdowncfb0bdda3e04035163ce99d28c81e080f639e030b18b1ee7e313e1e5c109d3c4
PDF
Publication pagefe1e467b05e873475ab7cf74fc33a74ef0a30ddb317c8727d2266ec2e49d1e16
Manifest9fd134da14b083b246b08df0f8864f1d0f62d15b067ca164ce0dcbb9e271f392

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
SignatureJS9Pjl1sQOmG6jT6KXHg3tlEzsB2Dg/tiunjkKfJP4Ga8ua8Mx7MsY7+G87yHpPwpot+72rcgrphm+6io7W6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:18.460701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006676
observed fe1e467b05e873475ab7cf74fc33a74e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.448545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006676/manifest.json
observed 9fd134da14b083b246b08df0f8864f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.436294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006676/publication.md
observed cfb0bdda3e04035163ce99d28c81e080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:18.423508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006676/publication.txt
observed 2f2ffe68711ea144149652da3c9b6b42...
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.