OpenTechnical

OT-2026-000056403

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000056403) never changes.

Identity and time

Publication numberOT-2026-000056403 · never reused
Internal UUID01a0ae87-4bd2-769d-b529-393b23a9a7c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056403
StatusPUBLIC

Content hashes

Canonical textb03b0bdb94421836d221da605dd732baa4c87b412f09509ef69b9e58df9da0b7
Markdowna4e440c60c58919ca6accf4756574504e348a8c0bc461c0ac237f8cd2649186a
PDF
Publication page502d39dfc3b1e6d4c8c92c3a542f6184821f8520488a3ae894f6f945bd244dce
Manifestd7f4681c7e859637af33c0632cc7b42ff124d4433f805a2977d51532234b7343

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
SignatureWr0aa0Op0PbEYMYaeYS+zl6S7rxSX1z7DUp84+k0AqT9PYnZzYTh5azvWIbfZ8VL7ig+KVxMTO33n7ktnbMNBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:56.042877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056403
observed 502d39dfc3b1e6d4c8c92c3a542f6184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.026452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056403/manifest.json
observed d7f4681c7e859637af33c0632cc7b42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.006974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056403/publication.md
observed a4e440c60c58919ca6accf4756574504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.988692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056403/publication.txt
observed b03b0bdb94421836d221da605dd732ba...
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.