OpenTechnical

OT-2026-000032544

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000032544) never changes.

Identity and time

Publication numberOT-2026-000032544 · never reused
Internal UUID01a0ae75-106f-7d7b-99f7-ba558c64e1f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032544
StatusPUBLIC

Content hashes

Canonical text874e441ff5808a00a1c5c1b0e765ab7115a59df47cd7dca4bacb79a971cf14b6
Markdown66fa9420d855be63286d2d265a6e43b3b2994de5c151f0cca5ab93f2198bfc49
PDF
Publication page8fd9212b218ceecd5ff90cc496059a5f2f32d10b0895bcc7f6db6eea287cfe0e
Manifest937182d851f6b9b850334d58cacfcbf3904faaf012c6c117a13c3588aab9d5cd

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
SignatureY2E22wqS6aT56Yv0i3iNP0F9oe3qDFaZPK3nBrrROvUXkaVZYUeuNnPLpeqjEmJ1FUK/vDkcDYdngDp2kWodDA==
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

2026-09-17T11:34:06.526881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032544
observed 8fd9212b218ceecd5ff90cc496059a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.502758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032544/manifest.json
observed 937182d851f6b9b850334d58cacfcbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.486067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032544/publication.md
observed 66fa9420d855be63286d2d265a6e43b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.468641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032544/publication.txt
observed 874e441ff5808a00a1c5c1b0e765ab71...
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.