OpenTechnical

OT-2026-000045917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045917) never changes.

Identity and time

Publication numberOT-2026-000045917 · never reused
Internal UUID01a0ae7d-8f86-727b-9b85-249cf6c13e0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045917
StatusPUBLIC

Content hashes

Canonical text7c02b88ebf02ed0305c0c1724b97f0e44da7326a2969784c93f69e0e32de3032
Markdowncfed20b831deba4506e6f0d6c380c36e02b175f238c9c01894f5a7a690cf639b
PDF
Publication pagee78853a68b585b83f4e60fbda4459b8aa3d1c33fcf53cdf7d81057fbc35b5d01
Manifest1c849f121cc5d83d67834e9792b1f98fefb48398f7db5c22a0f033c8eb562fcc

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
SignatureE5YSK81lkLLkO6In4FZniPCBXGUBbtfZZ8uftli5O33V9+xL2lY8wJCn3t0wCXCPnZp8in719sITBPtKhSLgCA==
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

2026-09-17T11:09:49.219008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045917
observed e78853a68b585b83f4e60fbda4459b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.198252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045917/manifest.json
observed 1c849f121cc5d83d67834e9792b1f98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.178859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045917/publication.md
observed cfed20b831deba4506e6f0d6c380c36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:49.160854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045917/publication.txt
observed 7c02b88ebf02ed0305c0c1724b97f0e4...
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.