OpenTechnical

OT-2026-000006234

Publication integrity record

Bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000006234) never changes.

Identity and time

Publication numberOT-2026-000006234 · never reused
Internal UUID01a0a953-dfe5-7012-bb9f-1e9919b7b1a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:21.448498Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006234
StatusPUBLIC

Content hashes

Canonical texte152c6d04009653477a09942b8c65097712dcdbae30e05ea1685856fe65661d1
Markdown22cca5e428deca371ff1109524633203e530ae69a84e1343e1e7442fd7f9142b
PDF
Publication pagea43cb1082f4069e0ca8972445e341bdb261fe868be398db70aec40bccc4380f2
Manifest6b71b0d199634271f75410bca878160df73293b437e2e481b01cc38f88b0347e

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
Signature0PM76mLbe/Io3zLnWOcMjn8fVXGhCJXW9hAjRln2l1h6goQPGVovG9N0Up2+Vx0qJlxErzyLFf0Q4MjPC5olBg==
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

2026-09-16T08:30:11.954750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006234
observed a43cb1082f4069e0ca8972445e341bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.940584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006234/manifest.json
observed 6b71b0d199634271f75410bca878160d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.928509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006234/publication.md
observed 22cca5e428deca371ff1109524633203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:11.915561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006234/publication.txt
observed e152c6d04009653477a09942b8c65097...
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.