OpenTechnical

OT-2026-000062075

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000062075) never changes.

Identity and time

Publication numberOT-2026-000062075 · never reused
Internal UUID01a0ae8b-b8b0-71fd-9f45-b8ffdccfaa9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062075
StatusPUBLIC

Content hashes

Canonical text09333d49701e61c0621c79c9edf23fb28131b8e6be301c46e9b7c2a4caea38d6
Markdown17e6195ea9e08ec83e42b2ab4d9ec43d5fe73ac1e0d279f4a90f9f5b72e8a8cf
PDF
Publication page577163491d5d2e446b96f42031603b3f0deb3887595e078475fde6508b7e7ad6
Manifest72b61f554febc70962a0e30bfc4aa79245ef9fec0b8a31888e0b4ddbd0bfe544

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
Signature20MmqmbRT9/B/FRdEQfY5kLeK3ucqrkujFr+W0cIRhzbHXnqBkWrDXhOVEA+9wAdecRrBZAw4p1qkmUCnIpTCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:07.518251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062075
observed 577163491d5d2e446b96f42031603b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.500318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062075/manifest.json
observed 72b61f554febc70962a0e30bfc4aa792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.480548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062075/publication.md
observed 17e6195ea9e08ec83e42b2ab4d9ec43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.463704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062075/publication.txt
observed 09333d49701e61c0621c79c9edf23fb2...
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.