OpenTechnical

OT-2026-000062256

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000062256) never changes.

Identity and time

Publication numberOT-2026-000062256 · never reused
Internal UUID01a0ae8c-0abd-7f8a-8c78-b7de6639e0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062256
StatusPUBLIC

Content hashes

Canonical text775cd15939fd3a8791d0e37761206b04bbaaa94609076bcd2d8a4795b6fc264e
Markdownc9031638b02ac24e8a9401c1ff342260d105d20f288ea1f8b62d663799b90c1a
PDF
Publication page0ffd62f2e278bfa56ed2fb59ecdb880305bb9dfd11ebb4a94734f3e1235781e3
Manifest5026ebcd5e06b3c6158ecb4cf02c76ed6e13b251158160f3ea25cb58ac41c262

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
SignatureOhFzmzkFnP+Mrv8kizvBwtTCaFRYQCkgTEXUP1o5aq75keyTC6hQGWXl8DSYjXrneF9+p/UHpAjC4MheaqfOCg==
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

2026-09-17T10:39:32.139551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062256
observed 0ffd62f2e278bfa56ed2fb59ecdb8803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.120816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062256/manifest.json
observed 5026ebcd5e06b3c6158ecb4cf02c76ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.103462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062256/publication.md
observed c9031638b02ac24e8a9401c1ff342260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.085885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062256/publication.txt
observed 775cd15939fd3a8791d0e37761206b04...
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.