OpenTechnical

OT-2026-000080641

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000080641) never changes.

Identity and time

Publication numberOT-2026-000080641 · never reused
Internal UUID01a0ae96-7e79-7c5a-8671-5dd1e981bd68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080641
StatusPUBLIC

Content hashes

Canonical textdaee8f0e9d9af42e08ec5ee24c6cd466b28f444d1b55bf12d2fb15c6242890ea
Markdown6ef9e18587b0eda36cc8531b7418572dc4649bea0f953b2417ec9e16ddb62ab8
PDF
Publication page8753ac541fd21c94694b653dd9fdf653577d48225f15508ddab32f66ee04b212
Manifeste4d1dc917996096b72a9deb6a5c07d129b8543fc813c2e716f68ca0884bb77f3

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
SignatureulMcyzn6wz6GEE3YUEUQ1jIvIP58v1Nwu9ialLr7f2aXwx8b9Tf/uEgMnkBZpbMf2mIdGFjL1OWB07NtYXPeBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:18.261920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080641
observed 8753ac541fd21c94694b653dd9fdf653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.236679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080641/manifest.json
observed e4d1dc917996096b72a9deb6a5c07d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.212045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080641/publication.md
observed 6ef9e18587b0eda36cc8531b7418572d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:18.186144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080641/publication.txt
observed daee8f0e9d9af42e08ec5ee24c6cd466...
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.