OpenTechnical

OT-2026-000044844

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000044844) never changes.

Identity and time

Publication numberOT-2026-000044844 · never reused
Internal UUID01a0ae7c-911b-7a8f-93ae-430f6b245dc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044844
StatusPUBLIC

Content hashes

Canonical textbb494c8bf77be80f91c0bd2b2c55f3135d148b3861adc55f73d7e3c39f8347c2
Markdownbf4f3923b960cdd27b046a3e88d8001a45e2d78a138964694812769507c8af16
PDF
Publication page8aee35314434b407cca97b4d21b70b116759026583cb8f84ba4ab284f6021531
Manifest9828886a13817b2dc936c8f80f6926b12fd50c6e1b9e717e9375ddafde9fcd53

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
SignaturexB1fNGXkl9nK3rKABxYv+kLo3dHXxkyXMVn2En6uwY7ZpaX3OBOJUvHGc1qgxvfypkPzBHMzrV4DUXhtbQtlCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:29.248528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044844
observed 8aee35314434b407cca97b4d21b70b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.228933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044844/manifest.json
observed 9828886a13817b2dc936c8f80f6926b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.209018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044844/publication.md
observed bf4f3923b960cdd27b046a3e88d8001a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:29.188804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044844/publication.txt
observed bb494c8bf77be80f91c0bd2b2c55f313...
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.