OpenTechnical

OT-2026-000089165

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089165) never changes.

Identity and time

Publication numberOT-2026-000089165 · never reused
Internal UUID01a0ae9b-db00-7c81-b43d-7702d2df3946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089165
StatusPUBLIC

Content hashes

Canonical texta0c84ba7e25cab2af355ba6973972b2f53bc8c67534ee9a1f38c948516b78c88
Markdownd18dc9f599c9eebe86e340622495dc2f220f2c1a4823a9e3f904928acce7b9ca
PDF
Publication page28e2cf0f392acea0384c9cf63e53233567c505f088d2fd7450d5537faebb4c9b
Manifestf5f5605addc7d65e4da578c722d13b786aa261a6a1152795f59b80e72256d864

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
SignatureeIja6UCtTrHcNx2mffVfB/LAYcO0NrvzHPBoSHw+Cd2bH0VgkUvGfYp90c2Dor68JjvaYHy+fbrLWoQOH15LAA==
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

2026-09-17T09:47:10.267590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089165
observed 28e2cf0f392acea0384c9cf63e532335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.250167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089165/manifest.json
observed f5f5605addc7d65e4da578c722d13b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.233674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089165/publication.md
observed d18dc9f599c9eebe86e340622495dc2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.215189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089165/publication.txt
observed a0c84ba7e25cab2af355ba6973972b2f...
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.