OpenTechnical

OT-2026-000073227

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum 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-2026-000073227) never changes.

Identity and time

Publication numberOT-2026-000073227 · never reused
Internal UUID01a0ae92-efb6-75f6-855c-800d3c28dc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073227
StatusPUBLIC

Content hashes

Canonical text3c0615e131568609b4c60fbae3156cd3c24c4ba112785bdb32b2842d8d782176
Markdownd32e9db0ce4b31176ba944fc7ac7ecd25a2a1b294027342f0db07e12f6a761f6
PDF
Publication page2604335d483d55a24e31286bb272401b7000b250fec95c5886957aa705b1c701
Manifest5bff265d7387d8c01c6a5a5713288e3718007ac78630b2ff99837304c8570db8

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
SignatureZFCLg0LkCtJKxHss5BJExI6d1lbf7dlFrr8Y8Qa1MU/6CM0/8kxNi+YQjJesfV3QV3yOO+Y5PzMpM0kmEZaTCA==
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

2026-09-17T10:21:12.474638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073227
observed 2604335d483d55a24e31286bb272401b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.451666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073227/manifest.json
observed 5bff265d7387d8c01c6a5a5713288e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.431233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073227/publication.md
observed d32e9db0ce4b31176ba944fc7ac7ecd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.410686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073227/publication.txt
observed 3c0615e131568609b4c60fbae3156cd3...
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.