OpenTechnical

OT-2026-000048649

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000048649) never changes.

Identity and time

Publication numberOT-2026-000048649 · never reused
Internal UUID01a0ae80-c32a-72c6-ac3a-f7e4746f948b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048649
StatusPUBLIC

Content hashes

Canonical text896b0eb426ceaed1cd4a4ac347c069cc616ccf3baa8ca3e0094a4c4a8b9fea31
Markdown18fe07912b5ae0af64cd4c16f476656fe56c90693e2c23fe39a330d3921b0763
PDF
Publication page799852190f53f8973fe83cba06926c93067cdb43f56fa322d4c4b31613a64dd3
Manifestea4600d6831e9e470cff8703637a988eca3d4bc34e54394bde8c3d7ceb8d581f

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
Signature2NLKsy1abHbUDdk/v69JVVR1tMAZPUXcnIqnNOhlTQ70JpdadIb7YiyXCHWiVXsSU7NxS1wTTlgsA2lXR2ETAA==
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

2026-09-17T11:04:15.724125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048649
observed 799852190f53f8973fe83cba06926c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.704590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048649/manifest.json
observed ea4600d6831e9e470cff8703637a988e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.685384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048649/publication.md
observed 18fe07912b5ae0af64cd4c16f476656f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.664933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048649/publication.txt
observed 896b0eb426ceaed1cd4a4ac347c069cc...
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.