OpenTechnical

OT-2026-000073823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000073823) never changes.

Identity and time

Publication numberOT-2026-000073823 · never reused
Internal UUID01a0ae93-2b8d-79de-ae5f-365b075b41ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073823
StatusPUBLIC

Content hashes

Canonical text127e7da3db629d7ca88852110ce3da306df6c62266414aa9fb72c9d577a9fcf5
Markdownfbb1a30997ca7ddb59d904b14ab70b9d7f3b799dd5109e4e787c9e49607c07bb
PDF
Publication page1791d213d4322d195ef39e3390a4e5002386cf83086eeef9517b73b6c2efa3ae
Manifest3a80d5a3fdf25399c423e8ef4a86ae8522365749e78e911f417c63ebf7d383c7

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
SignatureiFsTdkVzKWG2IQhhQ7I0QtaOV3Yg/WWNSjArAurXxUpA1ff0xpY0g9xIOLcox5CRarjRTlo9mFf0mVxOiaksCQ==
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

2026-09-17T10:19:56.866252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073823
observed 1791d213d4322d195ef39e3390a4e500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.844991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073823/manifest.json
observed 3a80d5a3fdf25399c423e8ef4a86ae85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.825174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073823/publication.md
observed fbb1a30997ca7ddb59d904b14ab70b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.805615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073823/publication.txt
observed 127e7da3db629d7ca88852110ce3da30...
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.