OpenTechnical

OT-2026-000057395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line 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-2026-000057395) never changes.

Identity and time

Publication numberOT-2026-000057395 · never reused
Internal UUID01a0ae87-d5be-7823-ae08-038ccf5a4035 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057395
StatusPUBLIC

Content hashes

Canonical text59529cd4e99d39073d12274a89f835a6e99f6168b5cb72193157f7024bd1868e
Markdown116174abe422574f41f2f775a8c0c5c3e1ccf142d33f354c6852343952ca2ef7
PDF
Publication paged148a45ff2b60f12689b910968991e657db78dfcd4f53d6d997fe3bf3512cb5b
Manifest0c5ef3f387e008a47ca844da08a028ef820cbc25ae81babe1a7d9ce211de057f

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
SignatureunCwzWvlc7qEtjLuOTkp6dCMJqa3/qP++7+XPSsE/hgQZsZHutDRaiEKzaC3t6LkcPs08p1AZnRlu82Y/j0mBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:40.832520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057395
observed d148a45ff2b60f12689b910968991e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.816507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057395/manifest.json
observed 0c5ef3f387e008a47ca844da08a028ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.799899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057395/publication.md
observed 116174abe422574f41f2f775a8c0c5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.781999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057395/publication.txt
observed 59529cd4e99d39073d12274a89f835a6...
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.