OpenTechnical

OT-2026-000006474

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, pressure verified, vented after set down

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-2026-000006474) never changes.

Identity and time

Publication numberOT-2026-000006474 · never reused
Internal UUID01a0a95c-84dd-70a8-8fd5-c97ba7c2b4b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:47.968470Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006474
StatusPUBLIC

Content hashes

Canonical text5901f9fda2cdb9abab21866b5aa47adb37913e01c4d8ea7318092c59904b64b2
Markdownfbcc3d9722e2d054d310dde39c9db95e61bb56e9fbf6e071f13551f4d6c2df74
PDF
Publication page696b71fc0170911c8c6b08321f416d065d22e282b306a942488715581c29b5e7
Manifest68251278c161366b7bdb321a4ea3b30a5fc5d438b929ee9ea1345f551ea645db

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
Signaturew7U2P5t215U5t6BMlqKuBJEY7797Z0cI/Th3/ckSRrm3aiRwR7Z6LhniRTobLslNdoMYCxrXqdQNZh9ANAfNCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:13.447532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006474
observed 696b71fc0170911c8c6b08321f416d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.432709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006474/manifest.json
observed 68251278c161366b7bdb321a4ea3b30a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.416989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006474/publication.md
observed fbcc3d9722e2d054d310dde39c9db95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:13.402781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006474/publication.txt
observed 5901f9fda2cdb9abab21866b5aa47adb...
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.