OpenTechnical

OT-2026-000089724

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089724) never changes.

Identity and time

Publication numberOT-2026-000089724 · never reused
Internal UUID01a0ae9c-1a22-79f7-8f00-969a678b7747 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089724
StatusPUBLIC

Content hashes

Canonical text4093c4cb2e0269df8c6cee9f42bb3c627d6b63e206f20fc573643530382da379
Markdownb46c7b6e880dcc79cda854cb4d6fb79ee06765c322920594e6ea5ecda5979100
PDF
Publication page374b8471d9ce92c959c291c945c040e51d57e968f0cf385933e19e077fbec45d
Manifest35e7bcf3dbc566328870bb013a64edf3167cfe4f6e7521130b0f328862be540e

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
Signature8j4jfCmBu09sJnYcBei2vc8Aknuopxq01FzIQSEwznqvx62Ygfuu6oXBW7ZMrCWDej4NXlFXdSmnX3PBZcnlCg==
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

2026-09-17T09:46:43.855738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089724
observed 374b8471d9ce92c959c291c945c040e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.836948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089724/manifest.json
observed 35e7bcf3dbc566328870bb013a64edf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.820684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089724/publication.md
observed b46c7b6e880dcc79cda854cb4d6fb79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:43.802709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089724/publication.txt
observed 4093c4cb2e0269df8c6cee9f42bb3c62...
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.