OpenTechnical

OT-2026-000029336

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained 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-2026-000029336) never changes.

Identity and time

Publication numberOT-2026-000029336 · never reused
Internal UUID01a0ae73-5e20-7672-ab61-3fce3460c104 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029336
StatusPUBLIC

Content hashes

Canonical textb4dac3ca15759301d57b34f65e2e1630cac6d12f87e5d6a577d8e6751f4fe668
Markdown2df60d4c6d1977dbf2c476e3f49012301e043819b830524fd63866992f0c88e9
PDF
Publication page8edfb944b061b1a0da31fefa9d339be6b58742e7c67581ddd50fddc4b3d3b3f3
Manifest103671badb2a6ea658dff8688c0dbaccc9f11acc9bcb1c28d6e6b264ef132e06

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
Signature/C1Hsp0a6A1hkEzPqvcXJnN3n6rjvSp5Mklce8gf3fW3RH2/x4clFw0SjeMMiD0WkyRzU7tlOwZNhqSU7mp/AA==
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

2026-09-17T11:38:53.087862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029336
observed 8edfb944b061b1a0da31fefa9d339be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.070322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029336/manifest.json
observed 103671badb2a6ea658dff8688c0dbacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.045667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029336/publication.md
observed 2df60d4c6d1977dbf2c476e3f4901230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:53.027455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029336/publication.txt
observed b4dac3ca15759301d57b34f65e2e1630...
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.