OpenTechnical

OT-2026-000043576

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed 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-2026-000043576) never changes.

Identity and time

Publication numberOT-2026-000043576 · never reused
Internal UUID01a0ae7b-92cf-7ee4-9017-1368f6a33d94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043576
StatusPUBLIC

Content hashes

Canonical text8ea6adca2031cf7b62c79d4eb49cc6300cd17bdca5daf89df3465f405cba0e21
Markdownc15643d6bc3724ee48e0ea8dd5188d633b56f8808f80b73a120ab00753e02e0c
PDF
Publication pagea9bd9979c3a3231160bf9f26d5453fad53923d1bbffb56d6087ec8407e7fa9d1
Manifest25d77dddb4067de48c95931befedd8f9d4646b4e09f98e9d6f4cdbba15e5e33b

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
Signaturel26bNRiqRtDyF56/mijwjRbQaTmnZHbcFdD8iG2VT8CUKvWs4Y2ec5Go+yeilMN9LejzBvp23eYJ0RzxSmTrDg==
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

2026-09-17T11:12:58.420024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043576
observed a9bd9979c3a3231160bf9f26d5453fad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.401215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043576/manifest.json
observed 25d77dddb4067de48c95931befedd8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.382846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043576/publication.md
observed c15643d6bc3724ee48e0ea8dd5188d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:58.365050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043576/publication.txt
observed 8ea6adca2031cf7b62c79d4eb49cc630...
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.