OpenTechnical

OT-2026-000049230

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000049230) never changes.

Identity and time

Publication numberOT-2026-000049230 · never reused
Internal UUID01a0ae81-134f-7563-9444-ffb7c1571904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049230
StatusPUBLIC

Content hashes

Canonical text3f7edd9bc3483cc048abcc272983eeae1e8a40c1e3e50a8be09a0a4b56223eed
Markdowna172413f84093097874c183b7c59d6ddfe0aed3e0e0d6873e93a733a98308ec4
PDF
Publication page118a7605cdd563d6ce194d57c0a3b8e9b06dc899332df49160b42598a31474e6
Manifest311d4a5e69f6bebf40651c497743c64f9f045ac56d853415508876f560a9a2a1

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
SignatureEtWqlIvlRz/urqZYJlOKQF5x9aix35c56AdUN4o4D9z0xRkFY93AvboGrrE3tuSFymhamytWcVf8Sd5Ls21KCQ==
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

2026-09-17T11:04:03.260885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049230
observed 118a7605cdd563d6ce194d57c0a3b8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.242340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049230/manifest.json
observed 311d4a5e69f6bebf40651c497743c64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.222557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049230/publication.md
observed a172413f84093097874c183b7c59d6dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.204244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049230/publication.txt
observed 3f7edd9bc3483cc048abcc272983eeae...
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.