OpenTechnical

OT-2026-000007218

Publication integrity record

Three finger mechanical gripper, plant vacuum fed, stripped from the face, pneumatic drive

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-2026-000007218) never changes.

Identity and time

Publication numberOT-2026-000007218 · never reused
Internal UUID01a0a976-f046-7aea-b3c5-eea140ffadef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:05:39.401765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007218
StatusPUBLIC

Content hashes

Canonical text7160f36291f1abccc216cb6debd64ad4e2d10c90fb1765f1cef8731617451643
Markdown840fd815a21187722210a1b391757a451b975c69d8d40c5474f67e7f2b1d1322
PDF
Publication page4de89116913826b0ef83dd292a9bd20a33f054132a92e37827603c662c8a5269
Manifestd670ad8396d85120b89746744f8eef1b7bb66144b481c58f26207ff474653d17

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
Signaturesvs7wFjHtTz84D74fkUqz24kupbggU0XRBQ4ir8eyGEzzuH8yfN+MYZ/0mV425VtKYxjHY6d2zHXLIeJXmJaAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:14.752233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007218
observed 4de89116913826b0ef83dd292a9bd20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:14.739807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007218/manifest.json
observed d670ad8396d85120b89746744f8eef1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:14.727541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007218/publication.md
observed 840fd815a21187722210a1b391757a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:14.716217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007218/publication.txt
observed 7160f36291f1abccc216cb6debd64ad4...
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.