OpenTechnical

OT-2026-000067824

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000067824) never changes.

Identity and time

Publication numberOT-2026-000067824 · never reused
Internal UUID01a0ae8f-c4fb-77f5-8421-6f48f85ea13c · 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-2026-000067824
StatusPUBLIC

Content hashes

Canonical texteafd1cceba8c097e7055337184e7bda38097b76a4a5e7c1a011523c23d18fb9f
Markdown9e81acc519d6fc714dba890292530102b994bc4f5e5928960f3e166d42e8a89b
PDF
Publication pagedfaab50490237ac58475526c1a7f0909088ed73e4eab714a9b9afaa88a35d7b1
Manifestfe6058ff328b42a92be60fa721acaa06ba5c6e26eb0bee9e9a063e6bcec2a8bf

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
SignatureR8rgMRHdOwvcgkXRvrgVy5ne/HRRfRBBG79lL2ieahRqx+cdoTbhOkDIGMb9ThdHOwpBqGCsCZBMwakhcR2vBg==
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

2026-09-17T10:30:04.391465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067824
observed dfaab50490237ac58475526c1a7f0909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.374508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067824/manifest.json
observed fe6058ff328b42a92be60fa721acaa06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.355473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067824/publication.md
observed 9e81acc519d6fc714dba890292530102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.333153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067824/publication.txt
observed eafd1cceba8c097e7055337184e7bda3...
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.