OpenTechnical

OT-2026-000073302

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000073302) never changes.

Identity and time

Publication numberOT-2026-000073302 · never reused
Internal UUID01a0ae92-efb7-7298-ac0c-24b02b524f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073302
StatusPUBLIC

Content hashes

Canonical text3c84930aab7c0804477f8b8251110ff7726d715702d5735e40de6c6e860ecd19
Markdown6a65b366b172cc9a0a11c60f5577e374694f1796e67ab949a07d9f604ade71aa
PDF
Publication page54faff23fcb9226b2a0fc1c89a4aa65ac32a40c8bf8b71a073118b45830a2778
Manifest9b4f0261558f61b20622a44d155d4bddcb9c33b1bc9d0dbd5d3703d6c33c75b1

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
SignaturedKJx+Cf/Xq+DS+fQcJTB+ZLfg8eX69sp3Yx2NJd598Jo1byUCYjsDAjiIaBOBwYN5yFEI+Wd9dIHaJvFdTRLCw==
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

2026-09-17T10:21:18.750758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073302
observed 54faff23fcb9226b2a0fc1c89a4aa65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.732266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073302/manifest.json
observed 9b4f0261558f61b20622a44d155d4bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.712607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073302/publication.md
observed 6a65b366b172cc9a0a11c60f5577e374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.693931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073302/publication.txt
observed 3c84930aab7c0804477f8b8251110ff7...
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.