OpenTechnical

OT-2026-000067966

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000067966) never changes.

Identity and time

Publication numberOT-2026-000067966 · never reused
Internal UUID01a0ae8f-c4fd-7440-b6d0-fac0f88b041c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067966
StatusPUBLIC

Content hashes

Canonical textb5a4e4e21b8e61545024076b9748bd77659f2fb476be5898cdee400e8c0f1c76
Markdown59784707d2634508a0a867fbe2a8b40c9e9e9098b2e10cf7afe48b858844b140
PDF
Publication page32d6fb104af9b45e95222e73ace3b7697e95e18355f860e8bdac315f91e6fbd7
Manifest614e303e0c0d2852c1e09b157a5f4188af1fbda68222c9c770e7903462b30634

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
SignaturezxAlUb0UmciNFPne7pyHrJdQX8LsYj803yp3rAbNAySoJPvFKlzpFW+MKbQQcMC2HxSWkykDSJuznQ6zoQWaCQ==
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

2026-09-17T10:30:30.553381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067966
observed 32d6fb104af9b45e95222e73ace3b769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.535456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067966/manifest.json
observed 614e303e0c0d2852c1e09b157a5f4188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.451900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067966/publication.md
observed 59784707d2634508a0a867fbe2a8b40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.433898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067966/publication.txt
observed b5a4e4e21b8e61545024076b9748bd77...
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.