OpenTechnical

OT-2026-000049535

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000049535) never changes.

Identity and time

Publication numberOT-2026-000049535 · never reused
Internal UUID01a0ae81-8f7d-7f83-b86c-c5f9d1c6ba87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049535
StatusPUBLIC

Content hashes

Canonical textc53368b6218d55e7817d4965feddbf3cf5552eda87ff58e77ae66aec77c66e28
Markdown48b63fbc573f61a5464f55898dc7f9e580caf1866dccccd9109089d180986936
PDF
Publication page3c37bdb1b12ffab4cb510e4554de0fcb5ec8f4d2fc040147053a24f3f8ec5348
Manifest501e8cf4e99298e86841f60ae4ddb9b759a098e5eaba3da01af7f3963794e676

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
SignatureTNMq7KHhelvpN5a8fllUoDdox+SIa0B+v9d+RqKDYHKm8EtjggtXfIyTDHe5+ALzMN/DxD9MywoBwowWm8uVDQ==
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

2026-09-17T11:02:23.968818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049535
observed 3c37bdb1b12ffab4cb510e4554de0fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.949443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049535/manifest.json
observed 501e8cf4e99298e86841f60ae4ddb9b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.930648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049535/publication.md
observed 48b63fbc573f61a5464f55898dc7f9e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:23.911248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049535/publication.txt
observed c53368b6218d55e7817d4965feddbf3c...
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.