OpenTechnical

OT-2026-000016117

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000016117) never changes.

Identity and time

Publication numberOT-2026-000016117 · never reused
Internal UUID01a0ae6e-2d10-729c-aeba-bcf0c8f44189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016117
StatusPUBLIC

Content hashes

Canonical textda54b829bdd420e6abfa05aa92ad46f28980647b7214350e0a731b26ea802dce
Markdown00493c5659a6ffa910c631f61eae9d5d42b9611fe88edf7833c98116bec16273
PDF
Publication paged6593e0983d7e30c7b3327507f420a7070f902d4f305ee582be9ad6d51fa08b7
Manifestada7b5ed3068a9a7b3d291d065d8ae4571e4401aa24b20a6deb99567c16c12e9

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
SignatureohXEXEeKPP2wZ/j9fPBNBwcvoH8tWZSg07puGR9jPSs3DuAhPjFgabnrAFLsh8ZjICkENgaXu7tB3c1kIIbYCQ==
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

2026-09-17T12:03:32.821623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016117
observed d6593e0983d7e30c7b3327507f420a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.803016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016117/manifest.json
observed ada7b5ed3068a9a7b3d291d065d8ae45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.784109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016117/publication.md
observed 00493c5659a6ffa910c631f61eae9d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.766219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016117/publication.txt
observed da54b829bdd420e6abfa05aa92ad46f2...
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.