OpenTechnical

OT-2026-000041786

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000041786) never changes.

Identity and time

Publication numberOT-2026-000041786 · never reused
Internal UUID01a0ae79-e8a3-720c-8c9a-707a15bbaa1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041786
StatusPUBLIC

Content hashes

Canonical text6f87561be6cf6700e9c336c20d56bf44137f5aabad92d2beeabe5b31ea133ef6
Markdownb2396cd00532797cbb1d8279d1c20b18b77f921d41095b8cea1ea034131b386b
PDF
Publication page4e5d330f3abb2a972b57c328828fb60c236ecfd2fbd86693a6a4a1642ed3f869
Manifest1546ba7676233dbf430f79506092ebc8df9520c42b227c020ca3213be5c15e13

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
Signature1KUCutttZC2G7CV5dq4UGjqZ8wm2vmHrenL7JnlKCzxXP+YIshEq5JhqgZOXSAL2E6mAMK1QDs58YuQP4qtGBw==
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

2026-09-17T11:16:38.325113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041786
observed 4e5d330f3abb2a972b57c328828fb60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.309317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041786/manifest.json
observed 1546ba7676233dbf430f79506092ebc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.293162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041786/publication.md
observed b2396cd00532797cbb1d8279d1c20b18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.276349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041786/publication.txt
observed 6f87561be6cf6700e9c336c20d56bf44...
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.