OpenTechnical

OT-2026-000025273

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000025273) never changes.

Identity and time

Publication numberOT-2026-000025273 · never reused
Internal UUID01a0ae71-5fa6-7d01-9175-2652de5e16f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025273
StatusPUBLIC

Content hashes

Canonical textaba03888081f8a09901c0a7e2dd91498a2500b63a717867bfa772fcdb74da437
Markdown197e7744a0cd76dcaa5a59867bacbed0fc12ca943cf50e80736ce3da7000ab63
PDF
Publication page769f31f63945406cd453b3547189c5ff748f0b76a8c7cd4e43efbbd77230b036
Manifest465d72f8aa66ddeb1fc2aaff30d3dc0d36addae78e751f8458ac9c7f1e1abfbc

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
SignatureZgh1SyAtrSpF1SUIMw/IPZ5+85njhzRECD2ZA5SKYm2Cf0wlcGQSHMePp7cZbyXOr3FgVGXv4ijfXAMi/pX8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:16.996696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025273
observed 769f31f63945406cd453b3547189c5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.978558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025273/manifest.json
observed 465d72f8aa66ddeb1fc2aaff30d3dc0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.953255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025273/publication.md
observed 197e7744a0cd76dcaa5a59867bacbed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:16.933683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025273/publication.txt
observed aba03888081f8a09901c0a7e2dd91498...
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.