OpenTechnical

OT-2026-000077781

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077781) never changes.

Identity and time

Publication numberOT-2026-000077781 · never reused
Internal UUID01a0ae95-2ed0-74d0-afe8-e3c3dbe9b50c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077781
StatusPUBLIC

Content hashes

Canonical text22390b2521fb64ba2fd93dc775acf71d3ab1df0f6c543ca8ae4ac454f0fb552e
Markdown1615e2a8cce7710b3c966687ccd61cf0328bedc3908daa7efb0b1140d7ea9ad4
PDF
Publication pagef057603f7bffa2d2961c4d2c889d5fdcccbcd78cd46642830b69f1a9551013c4
Manifest1d904170a8b0c65d464b858f01395f737db7ea0b6217577c6ae509c5207bc7b3

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
SignatureG5RgBk6Osy+HGjZdy0s8z/+3TfdyiVQ/U3QJBz7pPUIL1PDmZ1vGnnABBvJcdATYZi/CWh12Z83WHddWkLD8Bw==
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

2026-09-17T10:07:22.073725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077781
observed f057603f7bffa2d2961c4d2c889d5fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.055906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077781/manifest.json
observed 1d904170a8b0c65d464b858f01395f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.038011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077781/publication.md
observed 1615e2a8cce7710b3c966687ccd61cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.018855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077781/publication.txt
observed 22390b2521fb64ba2fd93dc775acf71d...
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.