OpenTechnical

OT-2026-000055842

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055842) never changes.

Identity and time

Publication numberOT-2026-000055842 · never reused
Internal UUID01a0ae87-0a49-73a5-92e5-58c0887f7d27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055842
StatusPUBLIC

Content hashes

Canonical textd78ef9b9a6e0c911abd7404d49f7a8496154425e089ee3e7c88170d6513d21f7
Markdown1feca517a3f779c7c618dabe0dab58dc8176fb06ccc52e07795f64bb2f75b4af
PDF
Publication paged335a207f3d2838556b8cb9ec8801b579b8b53f05c43fbc613e8cb1bae3911bb
Manifest51bb684e4888de9b81b7cba4cc398c0ae7b477730e88964f62c45661fcf8d153

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
SignatureQJiZn2ADCx+XMD/OYPlmRqqOheNipsPRyX0YsyQUZLL2m0D81CRPjLkyxz63+RyLwqdlGyd38R3QIQ82vDbLBg==
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

2026-09-17T10:51:13.829872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055842
observed d335a207f3d2838556b8cb9ec8801b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.811596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055842/manifest.json
observed 51bb684e4888de9b81b7cba4cc398c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.792948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055842/publication.md
observed 1feca517a3f779c7c618dabe0dab58dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.773569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055842/publication.txt
observed d78ef9b9a6e0c911abd7404d49f7a849...
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.