OpenTechnical

OT-2026-000063477

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000063477) never changes.

Identity and time

Publication numberOT-2026-000063477 · never reused
Internal UUID01a0ae8c-f944-78a4-b04b-9a6108546c77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063477
StatusPUBLIC

Content hashes

Canonical text6e7e6175c75d6f3fc1d8aa462fd8ea08bad4b791a99021e25d1dc43f85033797
Markdown866e8cb84464f5ebd8a1e97c21b4534b48395d3552ec003df82270688f380756
PDF
Publication pagedac171df030c055a22f4bfe8780126bc55a1859605a2edc71fb1b732a30a35ed
Manifesta59db8532d8574c8ae01972d6095a0935d91d23d16ecf351629598f24b7cbb14

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
Signaturey/zIUy6VMbwUPvRQPfLCwxKx9Sl/YwfgstyzuRFcLXvImYOcdieT9wVVsQ3aWKLeXNN1N4MjNJiXN3amm6VxAQ==
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

2026-09-17T10:37:26.895631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063477
observed dac171df030c055a22f4bfe8780126bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.875838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063477/manifest.json
observed a59db8532d8574c8ae01972d6095a093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.856414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063477/publication.md
observed 866e8cb84464f5ebd8a1e97c21b4534b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:26.837833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063477/publication.txt
observed 6e7e6175c75d6f3fc1d8aa462fd8ea08...
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.