OpenTechnical

OT-2026-000064509

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000064509) never changes.

Identity and time

Publication numberOT-2026-000064509 · never reused
Internal UUID01a0ae8d-a461-7b59-9dbd-3330765203ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064509
StatusPUBLIC

Content hashes

Canonical text1bc01c63b7e3f783a7f389178d0616be8c98263402ebe357ff1f15640fff22a9
Markdown4f2409f8a3e2cd76c44f5c4e6cffb3332de63fe189c1e350410d7e3a1d4c7bd2
PDF
Publication page89fd30c9fc582a046b4dc572d0e677d8788efeb7dfff9a4adb022690dcdb7312
Manifestb9f731408f545b269461c50d43a8c682f2b2461e0128c75b290892d44447ed8c

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
SignatureixNXu/seSxAQYxLWZ28LcO1wz2irDTRB3X8ZVnpsgqjmKLRiBp56W9D/0u7fM1jsWEhEwXrNsQOY2T8m5ib3AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:43.115042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064509
observed 89fd30c9fc582a046b4dc572d0e677d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.097786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064509/manifest.json
observed b9f731408f545b269461c50d43a8c682...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.079555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064509/publication.md
observed 4f2409f8a3e2cd76c44f5c4e6cffb333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:43.060872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064509/publication.txt
observed 1bc01c63b7e3f783a7f389178d0616be...
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.