OpenTechnical

OT-2026-000074584

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000074584) never changes.

Identity and time

Publication numberOT-2026-000074584 · never reused
Internal UUID01a0ae93-717b-7756-9d2b-39b0a803dcb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074584
StatusPUBLIC

Content hashes

Canonical textb8ae3d4baa623f2f4c6f456acb1a3dbc8c97e793d5e09e790431c14102ac58da
Markdownb7b8038c5e17c7265c574e90480c12adf4e6c43b37a21b9babc7a1b0f6263b2a
PDF
Publication pageeeddc4199648b616d9a313807f69787e2cf52c0d6e64fadbf07a097005140fe0
Manifestb854b0babc4911ea2c737c2b9bbd73372f4fa349d71fddb95b20705a48d07648

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
SignaturexN+ke10xhFXT5Hi7PQryl+plFspYeybQZVxOLdonMuTftdJ1QwAL9onwt8Ky8PS0CldmNW95RczdarM4nS8cAg==
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

2026-09-17T10:19:36.314751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074584
observed eeddc4199648b616d9a313807f69787e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.295593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074584/manifest.json
observed b854b0babc4911ea2c737c2b9bbd7337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.276227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074584/publication.md
observed b7b8038c5e17c7265c574e90480c12ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:36.257024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074584/publication.txt
observed b8ae3d4baa623f2f4c6f456acb1a3dbc...
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.