OpenTechnical

OT-2026-000068740

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000068740) never changes.

Identity and time

Publication numberOT-2026-000068740 · never reused
Internal UUID01a0ae90-6dca-7a7f-a262-d76c70f0834b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068740
StatusPUBLIC

Content hashes

Canonical textc898b4039ed73ce56300f7a79005d793ae021669b7cbc2667e982b49ad4a3150
Markdowna954d414b4e87bb3850906a3057605c4ec0db3491dd59254e32d3d71ee0a2a99
PDF
Publication page13715b5564a690dbbdedd05381d0446fb7ef3687fa9b4c9490c98c420c928b3a
Manifest9d67926ee9f79d280d881ef55a4f8addb3771ffea85eeec4b8663f94e795a8a2

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
Signatureh6LpgtqG1VU54mP6BT6eyVv/YSlL+d1f4jcxmGlSWr/OuSBYUrhIf8DII+mLDQnoiqNzXExXAh6Dmeflaj6MCQ==
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

2026-09-17T10:28:31.079098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068740
observed 13715b5564a690dbbdedd05381d0446f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.061213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068740/manifest.json
observed 9d67926ee9f79d280d881ef55a4f8add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.043282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068740/publication.md
observed a954d414b4e87bb3850906a3057605c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.024931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068740/publication.txt
observed c898b4039ed73ce56300f7a79005d793...
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.