OpenTechnical

OT-2026-000057568

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000057568) never changes.

Identity and time

Publication numberOT-2026-000057568 · never reused
Internal UUID01a0ae88-2693-7238-a83f-19c9276772d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057568
StatusPUBLIC

Content hashes

Canonical text438e3dcb96b2832f7686cfe84329d94446aef90fa8e2ed28349f12654ff8062f
Markdownda621d2cb046611ad5f131c56c3265cd3debc062baf97764cea5b11c5b7ef102
PDF
Publication pageabd7736d098db033b6400f13d57eb0094a27c5cd9718492ce5fa52f41bb51d35
Manifestb722af512fb0dddc7b1af7db0577effd967d27a228582169ef1fc9d2dcead6e9

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
SignatureRBuHR1Tu4q+g1T0J9I7ev9XRycDAdn806rRAl2HAToftxjqS/4yNBTU57YotDLhiuesMpq/NE4jb8EURiSNvAw==
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

2026-09-17T10:48:06.710830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057568
observed abd7736d098db033b6400f13d57eb009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.691391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057568/manifest.json
observed b722af512fb0dddc7b1af7db0577effd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.672436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057568/publication.md
observed da621d2cb046611ad5f131c56c3265cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:06.655655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057568/publication.txt
observed 438e3dcb96b2832f7686cfe84329d944...
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.