OpenTechnical

OT-2026-000026861

Publication integrity record

Single cup vacuum gripper, three stage ejector, 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-2026-000026861) never changes.

Identity and time

Publication numberOT-2026-000026861 · never reused
Internal UUID01a0ae72-3452-7ae4-b30e-270d672272e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026861
StatusPUBLIC

Content hashes

Canonical textf56a94ef0804ca2396d596323e7d0d8fc86d4806613fac861c8dd19fedfe7d89
Markdown8965c40a40abeb3fb69d93127b2bc47970295315dcb1fa3888206cc373c95eee
PDF
Publication page3d23fd364fc7eb710745cf1f98ccf29f0620c72e8109a15724ec15a67beda261
Manifestd4d605b23aa24b4f4fd3767e11bef4dc61228129aeb87ea6df4a92e8e999972b

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
Signatureqv+6Mnk1qJEdBYbrJAP6aArLw9cFFXkNTkq0tgspkAyn13HCH78L734BDuhUuKlqCE9Ig14kJDvdGpFRBtATBg==
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

2026-09-17T11:43:27.721798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026861
observed 3d23fd364fc7eb710745cf1f98ccf29f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.704097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026861/manifest.json
observed d4d605b23aa24b4f4fd3767e11bef4dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.686448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026861/publication.md
observed 8965c40a40abeb3fb69d93127b2bc479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:27.668316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026861/publication.txt
observed f56a94ef0804ca2396d596323e7d0d8f...
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.