OpenTechnical

OT-2026-000055016

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000055016) never changes.

Identity and time

Publication numberOT-2026-000055016 · never reused
Internal UUID01a0ae86-5e80-7e27-9f70-9e2a2b1f0ae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055016
StatusPUBLIC

Content hashes

Canonical textdca72869e317cad4aac21f78d8de5c80b1dec97dc5ed9a9d63f16d6416a01e53
Markdown47611638d04f6f85923d0e506f0e3d369a88068bde0211bdf8dcf2b733e66327
PDF
Publication page86b6bcb784fd59027db636069af190436fbdb117b726678458b8db93f50f4524
Manifest5f93522bd58d3f7c87ea04a776b6a2ded25f9322a39d18b6f093e08f887b1304

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
SignatureYpaKLmw6KZa9XFHoVU8LB1gdhkuwU454yU66L/9AJ4RBQeGhAt4V89Pzt48FCutVW3nME5WjPxZPbQA+uVHpAg==
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

2026-09-17T10:53:09.007973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055016
observed 86b6bcb784fd59027db636069af19043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.989529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055016/manifest.json
observed 5f93522bd58d3f7c87ea04a776b6a2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.972068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055016/publication.md
observed 47611638d04f6f85923d0e506f0e3d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:08.954079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055016/publication.txt
observed dca72869e317cad4aac21f78d8de5c80...
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.