OpenTechnical

OT-2026-000071906

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000071906) never changes.

Identity and time

Publication numberOT-2026-000071906 · never reused
Internal UUID01a0ae92-47c0-7bb9-8e00-173e3f07a686 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071906
StatusPUBLIC

Content hashes

Canonical text7c717f8e88c9e2eaae93d42a1c699d731069ce095a3b6ff8e1321f81f7ce65e3
Markdown90c3d1e6c6b4bab94ff68cc1e2367cf47d0d82ada5cb2eb46c9b7513c3640947
PDF
Publication paged5239cd4769a00a0b32729d4270a8121cda6b6b485c9e399f86faceaf8667e31
Manifest4f19bb2bd7cdc1fe907e5dd0aa6d2ffeb0765e743a4b9358e56397ec5d7471da

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
SignaturePbXjWUD+VZBLYrgLsQ/kz0UByNjjhAA5nrzbWj1QuXpOO3js8aqiH6ogXL2A4T/dccQkjby4XDvaN3R71+wwAw==
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

2026-09-17T10:22:55.869749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071906
observed d5239cd4769a00a0b32729d4270a8121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.851941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071906/manifest.json
observed 4f19bb2bd7cdc1fe907e5dd0aa6d2ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.834290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071906/publication.md
observed 90c3d1e6c6b4bab94ff68cc1e2367cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.813561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071906/publication.txt
observed 7c717f8e88c9e2eaae93d42a1c699d73...
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.