OpenTechnical

OT-2026-000038684

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000038684) never changes.

Identity and time

Publication numberOT-2026-000038684 · never reused
Internal UUID01a0ae78-769e-79f5-9d19-2439481e85cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038684
StatusPUBLIC

Content hashes

Canonical texte0acf19a0de5fe380da93ec7ae09ea2dbacc2c39726ed7f24deae87440624f99
Markdown8c2a7f27e017494e43b99937cdd6f687f8bacd8a09ccbd054050cc47d8e4241d
PDF
Publication page87f0ef8142a1ff4c9bd0167aedfd6e7b8066b8441d7423c334265586a098d270
Manifest814d976c0cf56e6b922059b2c61c7578b9a83722b395d93f270b1fd98905a3b3

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
Signature0nWoWmwSN1TIG/Sisap77xAwFCMFNvD8tM2nZ60r1W7SaAkZLW88IYuGx1/M/POPBZpVWk7CkLqDwRjK32TeAQ==
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

2026-09-17T11:21:11.770799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038684
observed 87f0ef8142a1ff4c9bd0167aedfd6e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.752983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038684/manifest.json
observed 814d976c0cf56e6b922059b2c61c7578...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.733221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038684/publication.md
observed 8c2a7f27e017494e43b99937cdd6f687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.714853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038684/publication.txt
observed e0acf19a0de5fe380da93ec7ae09ea2d...
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.