OpenTechnical

OT-2026-000036315

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000036315) never changes.

Identity and time

Publication numberOT-2026-000036315 · never reused
Internal UUID01a0ae77-01d0-7b2e-bb2e-047c1841b6c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036315
StatusPUBLIC

Content hashes

Canonical textc8a15ffeb97b33a551f01ec54a90904a54cb9586b0f09435dddb6c07e69c881c
Markdowncd49ea6d0e95e960fb9c7f9e8acd93c88c8dee1376c19c5d8da4f47981e8da37
PDF
Publication pageac5d637e17e09b563ce57b37320f61529deddab59575603b1a1f5bf0cc9bc31e
Manifest4cdcefe394ffabed59dc1055c8e74c92cfdaf26b2cb2f3222d3c61aefa3aaab8

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
SignatureuDWx81oRZgY/zGI3FjZDcLLYDBPawwT5zI6K13Y1Ua+uXnI0NYKu0j4l3YYcB8QKLud8iEaZwum3ZI1Yp4R1CA==
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

2026-09-17T11:26:35.358632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036315
observed ac5d637e17e09b563ce57b37320f6152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.338820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036315/manifest.json
observed 4cdcefe394ffabed59dc1055c8e74c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.320128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036315/publication.md
observed cd49ea6d0e95e960fb9c7f9e8acd93c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:35.302058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036315/publication.txt
observed c8a15ffeb97b33a551f01ec54a90904a...
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.