OpenTechnical

OT-2026-000079633

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, sustained blow-off 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-2026-000079633) never changes.

Identity and time

Publication numberOT-2026-000079633 · never reused
Internal UUID01a0ae96-0b92-72e0-af4b-14e89e6d7be6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079633
StatusPUBLIC

Content hashes

Canonical textc95ff7f63693c2be4daffa31f26ba4fb53288e3547278ef80833080960907d94
Markdownd52a313476d4230fdf658421acd05f5cc56068856ec425eb14da65eebc9c2c74
PDF
Publication pagec4ebcae93f2a74688575728b0cbcd252b4e4239e19d9049d736843185a107de0
Manifest9f3b527b9607d9a6d02ea3bb8c9749688ee2793306d7e6907e0b0f0b067cb8bb

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
SignatureXFYVIyF+cnqbMai6DbNJQWrbxggHpKew8RNIzBzAlAq6hG9xbH0eA51BS7X8qj9tnc6I33wYmmGxo08YWchHAA==
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

2026-09-17T10:05:18.058265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079633
observed c4ebcae93f2a74688575728b0cbcd252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.039737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079633/manifest.json
observed 9f3b527b9607d9a6d02ea3bb8c974968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.020698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079633/publication.md
observed d52a313476d4230fdf658421acd05f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.002251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079633/publication.txt
observed c95ff7f63693c2be4daffa31f26ba4fb...
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.