OpenTechnical

OT-2026-000061397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented after 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-2026-000061397) never changes.

Identity and time

Publication numberOT-2026-000061397 · never reused
Internal UUID01a0ae8b-7b42-733b-a958-84db4643ba40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061397
StatusPUBLIC

Content hashes

Canonical texte67437c88a0e4e22f2e31769e57a51c87b2dcab6e3b9539cec17d12939f94eca
Markdown0b107ceb4a355419824d8d26220b92c5adf4528a25773b9e20930d1e42654126
PDF
Publication page90ff68d8ecde6706a95606937400281ec7ba4816d4c4f374936ba942f261d8f9
Manifest2eba6f3be4a7312392f1b3035df8470c7bb733ebf12821c82d28ac5de7419392

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
Signaturey1Igy3U+C/CzKGA4PGY9xSnesoB34A+ZJVCvDuL2Bb0BrUbe4cG+4uIvsVNp57Crl7pfHZBq2aRdmcDjIHSgAg==
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

2026-09-17T10:41:15.561150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061397
observed 90ff68d8ecde6706a95606937400281e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.543627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061397/manifest.json
observed 2eba6f3be4a7312392f1b3035df8470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.524729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061397/publication.md
observed 0b107ceb4a355419824d8d26220b92c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:15.508115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061397/publication.txt
observed e67437c88a0e4e22f2e31769e57a51c8...
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.