OpenTechnical

OT-2026-000071808

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000071808) never changes.

Identity and time

Publication numberOT-2026-000071808 · never reused
Internal UUID01a0ae92-1e92-7077-b96f-6797bfa39da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071808
StatusPUBLIC

Content hashes

Canonical text114edb575943a4ae7ed64c8f4e3e6d19859d7df5d9b500763c189febadebb8e4
Markdown67801e4e0953425017cceceae839400a5d7d5995c9e51da6279bb8440ce8251b
PDF
Publication page587bbcd0fb7d72b15c3fbcb5bdeb1c2c1fb857f1fc5e82c6e0b31a8cb03d30d7
Manifeste10159182288dea577a6526815e1f03b2c66c1f50c8bba4b2280d784b9a0e047

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
SignatureTqKNQgSYS/vK+f8SVuVWcnEFhJzuPWfcQ+v93hXzRRtmmqdwxDhZNSugNytCPi1aWC2Q5aC0U0nQrL1Ef9uXDg==
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

2026-09-17T10:23:58.885946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071808
observed 587bbcd0fb7d72b15c3fbcb5bdeb1c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.866394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071808/manifest.json
observed e10159182288dea577a6526815e1f03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.846298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071808/publication.md
observed 67801e4e0953425017cceceae839400a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:58.829428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071808/publication.txt
observed 114edb575943a4ae7ed64c8f4e3e6d19...
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.