OpenTechnical

OT-2026-000061957

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after set-down

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-2026-000061957) never changes.

Identity and time

Publication numberOT-2026-000061957 · never reused
Internal UUID01a0ae8b-b8ad-76d8-8f4d-2ffe066c39fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061957
StatusPUBLIC

Content hashes

Canonical textf9bcef0f1e076b5c730a268ebef0ffb04b238d856e42ac42495b7ad437736b35
Markdown30757e509d09dbdf6f2699243b40a9147cfe2d6e0e3ec7599f959713a557fed4
PDF
Publication pageab45517896fc90ea6a11d79a074c3a6b8501a647accffff21c0e403e79752e2d
Manifestbfe891757ed49edb59cf9fda44a3b32e85b27d0282766689917da2f0f96eda1a

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
SignatureWXY/QOKAkL7UwNXcdlbf7UMj3/D5rcWo2hvOFRYTiW0fbUNHbxQmk2ScJ2L23r20T4AMBZeEGVYDkW/hFoVnDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:51.855076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061957
observed ab45517896fc90ea6a11d79a074c3a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.830290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061957/manifest.json
observed bfe891757ed49edb59cf9fda44a3b32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.801257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061957/publication.md
observed 30757e509d09dbdf6f2699243b40a914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.775710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061957/publication.txt
observed f9bcef0f1e076b5c730a268ebef0ffb0...
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.