OpenTechnical

OT-2026-000056555

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000056555) never changes.

Identity and time

Publication numberOT-2026-000056555 · never reused
Internal UUID01a0ae87-7af5-7f1e-a3db-f0157a8bb859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056555
StatusPUBLIC

Content hashes

Canonical textb42db03406f6c15f7d97d912fd674f4a2d7ff68e07d75695267e5c2dc97b8fd7
Markdownfbd6eb9bc6d1372e05732269f8aeaa1ca8d67921e6840f5a8ae8259466d8df2a
PDF
Publication pageddb627a4249ecddb8ec3ef36b0a4cb84f99784ad9819f36685a224110586b498
Manifestd4f7c1e190c95d84ee34bc5074337ef3be70410e29ef91ce288fc27783181aa3

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
Signature5zfksvWg3vNHA5O5Y4nQaxndRxlv/ECRomn64UGgocMeMxzRjmpr5ruek5C7+T/1zl2IATl6OOvnwqu9z0epAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:53.431185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056555
observed ddb627a4249ecddb8ec3ef36b0a4cb84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.412371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056555/manifest.json
observed d4f7c1e190c95d84ee34bc5074337ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.361616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056555/publication.md
observed fbd6eb9bc6d1372e05732269f8aeaa1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:53.310324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056555/publication.txt
observed b42db03406f6c15f7d97d912fd674f4a...
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.