OpenTechnical

OT-2026-000085178

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000085178) never changes.

Identity and time

Publication numberOT-2026-000085178 · never reused
Internal UUID01a0ae99-43ba-76ad-be42-e15d16fc3249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085178
StatusPUBLIC

Content hashes

Canonical text964d28afd5a98ee0982c7b5c39ba58c3198fe99593be34a2926d384836669945
Markdowndeb8db4467024cdbbc30cbcf69e539dc223a46069f89d606df53e7ed6c5fd50e
PDF
Publication page4563e479e9157da9c95d403ecc4959a98711bb1cc0a42e451137d2adf1b70b22
Manifest963897a36e30dc736983ff8a76729316d109d52f38eb3b33cd1669fcd36c3f34

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
SignaturejZPbdSgC8EtqPXaMTX5XT6iJ7W11CpPqZT+bLcKDTET2UPdI1eXAC8FvoCVicTWuFBLQHMOiT3EjmeA4UHHVCw==
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

2026-09-17T09:55:15.752225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085178
observed 4563e479e9157da9c95d403ecc4959a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.732194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085178/manifest.json
observed 963897a36e30dc736983ff8a76729316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.713348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085178/publication.md
observed deb8db4467024cdbbc30cbcf69e539dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.694331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085178/publication.txt
observed 964d28afd5a98ee0982c7b5c39ba58c3...
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.