OpenTechnical

OT-2026-000006536

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector fed, pressure verified at each zone, polyurethane 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-2026-000006536) never changes.

Identity and time

Publication numberOT-2026-000006536 · never reused
Internal UUID01a0a95e-a0dd-7444-8646-b87014ed1b79 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:39:06.208463Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006536
StatusPUBLIC

Content hashes

Canonical textccac503908b48f6b756808637a4a3102f7af6e9c4cb2d73d231815c7cc0695b6
Markdowna6182cf0055374cb3b38032967aa36a0aeeb21f58838e5ca76058e596336b5b3
PDF
Publication page6a7a3c16d4b3324c4cac10c7b8ed9dff725bda13755c910e054c51568be4a13e
Manifest1115ee1390be22da72c90c691e0dcbbe5e4c330425d15ea498689d6e09f92b36

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
Signaturev6pALtNrewuTEAQ0M3fEEpy5lk5lVVEwEM1Pj1+k3qQtXGgSjEtJdL7eY7P2RKGNco1W8An/2T4DtBUgRxyzDw==
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

2026-09-16T08:40:05.940232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006536
observed 6a7a3c16d4b3324c4cac10c7b8ed9dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:05.927458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006536/manifest.json
observed 1115ee1390be22da72c90c691e0dcbbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:05.916504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006536/publication.md
observed a6182cf0055374cb3b38032967aa36a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:05.904446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006536/publication.txt
observed ccac503908b48f6b756808637a4a3102...
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.