OpenTechnical

OT-2026-000015005

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before 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-2026-000015005) never changes.

Identity and time

Publication numberOT-2026-000015005 · never reused
Internal UUID01a0ae6d-d096-70ab-af8b-f4f8786cc96d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015005
StatusPUBLIC

Content hashes

Canonical text3901619a6c3709ab16ea9ccfb1f8fadd1ddad21c64717b6d7648b7e6ad5fb033
Markdowne0036ad490dbf1a9269de42dabe59d1f9b5044ae9004dcb31b5628795ecd1ebe
PDF
Publication page6a6576f6e88631d59fc37e4e9aba575920120603ec9dd90d1073e38c063d8ece
Manifest7efa7defc5962fa8da2755cab97548304ba57b2b7081b1f9dfaa72462bb8a5f9

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
SignatureKapy4npWw2fm7ydjbpKEtvAO4l9WB287vx3OoLly1wNwavJYTqdL8o0Wba+nzzZTu16xMeeNZtkYqwd2TMUfDg==
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

2026-09-17T12:06:58.386363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015005
observed 6a6576f6e88631d59fc37e4e9aba5759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.368649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015005/manifest.json
observed 7efa7defc5962fa8da2755cab9754830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.349250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015005/publication.md
observed e0036ad490dbf1a9269de42dabe59d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:58.331504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015005/publication.txt
observed 3901619a6c3709ab16ea9ccfb1f8fadd...
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.