OpenTechnical

OT-2026-000072675

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000072675) never changes.

Identity and time

Publication numberOT-2026-000072675 · never reused
Internal UUID01a0ae92-89d9-7555-bd4d-93f4bff0e334 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072675
StatusPUBLIC

Content hashes

Canonical text132d8a20ae0e5792ab00e90c41a09486ce43a3ea08c7c424d803be0bbe557571
Markdown83f4b1bebf8157556e625d12c229965e017e87730e812b21c4b9d4267d520f50
PDF
Publication page651825e54267a6b47df6e42ece77be740442d6b168db6e6545972456ca400cbb
Manifest140e1b58a116372692dd939c6e2199b1436cb2b6a60737da899dc9b09818bf33

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
Signatureptz+O3ZSOUvvtbZOyG2MWI6sRYXiSmjAJFCcobPZQUBDcIldwWA5Ggz6yb7joWh8UkCigkMdknop7DxXan7OAQ==
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

2026-09-17T10:22:32.584508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072675
observed 651825e54267a6b47df6e42ece77be74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.567510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072675/manifest.json
observed 140e1b58a116372692dd939c6e2199b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.549697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072675/publication.md
observed 83f4b1bebf8157556e625d12c229965e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.530610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072675/publication.txt
observed 132d8a20ae0e5792ab00e90c41a09486...
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.