OpenTechnical

OT-2026-000055246

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000055246) never changes.

Identity and time

Publication numberOT-2026-000055246 · never reused
Internal UUID01a0ae86-a0ff-771b-a797-7be0415ebbe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055246
StatusPUBLIC

Content hashes

Canonical textc86524de60627d03606ffccd5adace939beb5d0fac6d524d274b310b01a8ea84
Markdowncaa250367509111dec603eeba2a18fcced09db972c8a7de9b5d72bc937c1e5c4
PDF
Publication page3d8d0c0072fdfc7a33703fefb41ff87b6b806bc8518a19527ca6b1b8759d3c6a
Manifest0d16f710dab33daa2449529e30dd7c44afb516fd8090c5d88158c5c1a1bd5c56

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
SignatureTdjQ+0o8m/Vz9MhZIejcx+RjUhChULmSzcGbIpLBiW30EdmtE0NlTv05ZVLfGJ1c4v6hlQ9HWGBDfAHk8gCgDA==
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

2026-09-17T10:51:49.919080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055246
observed 3d8d0c0072fdfc7a33703fefb41ff87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.903009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055246/manifest.json
observed 0d16f710dab33daa2449529e30dd7c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.884557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055246/publication.md
observed caa250367509111dec603eeba2a18fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.866052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055246/publication.txt
observed c86524de60627d03606ffccd5adace93...
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.