OpenTechnical

OT-2026-000067248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000067248) never changes.

Identity and time

Publication numberOT-2026-000067248 · never reused
Internal UUID01a0ae8f-6bd6-79a6-a9f9-d5146054f6bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067248
StatusPUBLIC

Content hashes

Canonical text5453105d025c6b10ffa1d755bf91d337a91e8ad43c75bbb4960cdcc4f81a5f89
Markdown320233b0ab6bcd654ebb1013e7c0eceeea06b071ee244e37c8ac6edb8e7d8156
PDF
Publication pagedb3ab23abfe356716dec2d3204931738b41a5660dfe8a0366d3c04b10920edf7
Manifest98f2d6026ef6f8c0bbd342113e83651080e8d9c63d386710f9a048aa78f638d4

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
SignatureFqbWo3KmJ1X4E7T3fMRXlHFCj6jrphvWhW9I4R+uF3sqHujKFHQ45MN08axWmJ0zinIxbk6krKYqfHQLZqvTDQ==
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

2026-09-17T10:30:55.350425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067248
observed db3ab23abfe356716dec2d3204931738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.331640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067248/manifest.json
observed 98f2d6026ef6f8c0bbd342113e836510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.314212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067248/publication.md
observed 320233b0ab6bcd654ebb1013e7c0ecee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:55.297310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067248/publication.txt
observed 5453105d025c6b10ffa1d755bf91d337...
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.