OpenTechnical

OT-2026-000067341

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000067341) never changes.

Identity and time

Publication numberOT-2026-000067341 · never reused
Internal UUID01a0ae8f-6bd7-79fb-94d0-ae1c6ac38b2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067341
StatusPUBLIC

Content hashes

Canonical text7d2eb2a772da709dadb3737219a95ab77ff0068177f7b81972191a4c727a928f
Markdownd2fc70785bd56f38e401692b2e304836ade7c2f9a86939bca025a657b3f148fd
PDF
Publication page03e7f7e3e901ddf132117807aebf066b24ad676865870e7200c84dfcdc2ea5c6
Manifest147a361bebafcaf69f1578896b6559a27b3cf0395a052a154f3f472dda9e1d2a

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
SignaturehrFxX4fx40ctxXFXf7zzlqrf+dvbEKZbBSb3PEZbuf8aAF62NBdNBN4w/sUI5llsyulekWWn9V3XtaMxJLIHBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-10-12T00:42:00.711238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341
observed 03e7f7e3e901ddf132117807aebf066b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T00:42:00.563765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341/manifest.json
observed 147a361bebafcaf69f1578896b6559a2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T00:42:00.396098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341/publication.md
observed d2fc70785bd56f38e401692b2e304836...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T00:42:00.211231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341/publication.txt
observed 7d2eb2a772da709dadb3737219a95ab7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T04:23:33.322286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341
observed 03e7f7e3e901ddf132117807aebf066b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:33.307747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341/manifest.json
observed 147a361bebafcaf69f1578896b6559a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:33.291786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341/publication.md
observed d2fc70785bd56f38e401692b2e304836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:33.256252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067341/publication.txt
observed 7d2eb2a772da709dadb3737219a95ab7...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent