OpenTechnical

OT-2026-000063384

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000063384) never changes.

Identity and time

Publication numberOT-2026-000063384 · never reused
Internal UUID01a0ae8c-f944-747a-ad4d-48f8a4417c89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063384
StatusPUBLIC

Content hashes

Canonical text8380670569624a1e77f79860d0975ec27093393a0fff2b35571def0fd739cbfa
Markdown4170da90e3b41f00903a60be20c784743a386a592cd2c21d81f2aaf64486396b
PDF
Publication page61ce7adfa077b144cac24ba2e7a0c2c2fcb91445125a1cb0579488ff50fa3733
Manifest13d697a687a1ae3cebf77d44140b2120800558b70ce8f24cc92f22222cb8ad70

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
SignatureIO5PJUBpcbrVviQr95fwKf0LmNjkIDEmA2qV/1j/NEREQSiyUe098qiGiFtaYIApJmB00IY3+347T2ytmYALDw==
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

2026-09-17T10:37:17.838014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063384
observed 61ce7adfa077b144cac24ba2e7a0c2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.820269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063384/manifest.json
observed 13d697a687a1ae3cebf77d44140b2120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.801628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063384/publication.md
observed 4170da90e3b41f00903a60be20c78474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:17.782794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063384/publication.txt
observed 8380670569624a1e77f79860d0975ec2...
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.