OpenTechnical

OT-2026-000008947

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000008947) never changes.

Identity and time

Publication numberOT-2026-000008947 · never reused
Internal UUID01a0ae6b-31b7-7c37-b35d-4df1a215d03d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008947
StatusPUBLIC

Content hashes

Canonical text20f1bfb6c6fe37a603e1ed7c53b48e19ddd331af8e5761bce9e79076c217ce34
Markdown4e7795d926bf92447be262bf36a22c3f4c01b1f54a5ec6ebbf249e205b29a9f9
PDF
Publication page347a388d3e0325ff4090882eefe69ea40b112b7d0e888c03fab290e3f751620a
Manifest8ef32a3e9c45a567d44485e4d52711141a08aa305eaaa79f4ff6aa2a5be6b88a

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
Signature0PVMUSdPPqyklgvjuzAeIB0uKEnrBXULQPJf2ZY1hYGXIUgntM5oKyxGKnByccT0ZowkxKECc3U4zYXMv05rAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:33.641520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008947
observed 347a388d3e0325ff4090882eefe69ea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.622678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008947/manifest.json
observed 8ef32a3e9c45a567d44485e4d5271114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.603720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008947/publication.md
observed 4e7795d926bf92447be262bf36a22c3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:33.584857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008947/publication.txt
observed 20f1bfb6c6fe37a603e1ed7c53b48e19...
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.