OpenTechnical

OT-2026-000055311

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000055311) never changes.

Identity and time

Publication numberOT-2026-000055311 · never reused
Internal UUID01a0ae86-a100-7201-961d-a199a1fd122d · 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-2026-000055311
StatusPUBLIC

Content hashes

Canonical text3c01dabece50717d290f870e3ccd1b8673f3263bdeeb6306b6520cc5ae302b11
Markdownc7c3f34dae0e9d1043716815be697c8ac86f4244f8aeeb227fd3a03802548a73
PDF
Publication paged9d3976d0813183111e27363f756d7d6b68bd541859f2f6803aa0cc4b122c863
Manifest3c33de459a3567cc87107119b615c42c762a48efff68e20525c9b41d816b4f39

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
SignatureUX7JOn2iPZ24Md9ETe+NKmxK+p0g6lpMGLLn5ctl4f/u5fDX5jEmse6TqZwZy7qwdoGTd5HtU35HAsBfUSIyBg==
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

2026-09-17T10:51:55.574711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055311
observed d9d3976d0813183111e27363f756d7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.553872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055311/manifest.json
observed 3c33de459a3567cc87107119b615c42c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.535684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055311/publication.md
observed c7c3f34dae0e9d1043716815be697c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:55.517501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055311/publication.txt
observed 3c01dabece50717d290f870e3ccd1b86...
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.