OpenTechnical

OT-2026-000006576

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, two outlet manifold, pump fed, plastic cups

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-2026-000006576) never changes.

Identity and time

Publication numberOT-2026-000006576 · never reused
Internal UUID01a0a960-1995-78b3-871b-6aafca07756f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:40:42.647880Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006576
StatusPUBLIC

Content hashes

Canonical texta11f44f2149a09624f91270d256b74d70758864a8a74a912d845be54aca67650
Markdown87353c1bb16027b17a12472a06a1ff3eb87b6c20cef19858ebb2c0dee8400e82
PDF
Publication page2827369f693398b32ae90f36f2a664759308dca795b1579f55398aec0b560188
Manifest73bd77004513c18ac9e9ffccd9d9a14497e3e390b20f616f844bf18ae5d70146

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
SignatureKEAnmL8dWWh34vl5jHl6yPdHrTWamipSWjoDD/IliwNiOuxt2SSReX81kVyeJSATDDwtyueyJrBe4ata9VPLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:29.151700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006576
observed 2827369f693398b32ae90f36f2a66475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.138360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006576/manifest.json
observed 73bd77004513c18ac9e9ffccd9d9a144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:29.000095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006576/publication.md
observed 87353c1bb16027b17a12472a06a1ff3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:28.986181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006576/publication.txt
observed a11f44f2149a09624f91270d256b74d7...
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.