OpenTechnical

OT-2026-000081654

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line 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-2026-000081654) never changes.

Identity and time

Publication numberOT-2026-000081654 · never reused
Internal UUID01a0ae97-0f73-7553-b446-135e2d634cae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081654
StatusPUBLIC

Content hashes

Canonical texta5f2321e98a759379d295d0ef6d5aec5e8cb1a85ed1eeca6a391f7946dcf6b77
Markdown580c3d3dceb76371ab344a648aa4e813a2f8c7c060cff6c965c681cf36d5cde6
PDF
Publication page72380c445457004c3ed909d3ff5cb3ef835b5cd3f98b8c50c719cd6d1f57ee9e
Manifest994a397c9a13ee22c2e4b0482d563578b69b97e8877e0f0596e940733c7f6a9c

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
Signature3iMXR93UMAXUnomQubginPlFQrJFegQQ0JwTOBnt8Nyb9oiIhVjDPWmfR/bRkfGb3Gl8piGURnnhLN56M5h/Dg==
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

2026-09-17T09:59:42.501442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081654
observed 72380c445457004c3ed909d3ff5cb3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.483701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081654/manifest.json
observed 994a397c9a13ee22c2e4b0482d563578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.466042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081654/publication.md
observed 580c3d3dceb76371ab344a648aa4e813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.447637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081654/publication.txt
observed a5f2321e98a759379d295d0ef6d5aec5...
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.