OpenTechnical

OT-2026-000019545

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000019545) never changes.

Identity and time

Publication numberOT-2026-000019545 · never reused
Internal UUID01a0ae6e-f394-7c59-ad83-5c5d45c63ee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019545
StatusPUBLIC

Content hashes

Canonical textc2a41e333b59f112e22ee9670463401bffd156d1a307fe02341aaf469aeb4dbf
Markdown580ea761098cdfd9548099c01d15e053567cdd1291233626bcadea702209c6ee
PDF
Publication page7cac533f8f547d1976a41b8fb9ee735ba044d7bd15e9f52c9c1810405f01b4b1
Manifestf203fae6734fb665ee7d3dafe39276bdb8f700eeb6379df0ca177f4f2324329b

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
Signature3G1b7w/kOYsTPBbJrMgwjbKzbPKeFa7R1gTz1iGy9YMzPDbnKUZKhfXktd3BwYNsZxdaCB/spPl4FqRc3JO3DA==
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

2026-09-17T11:58:59.168160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019545
observed 7cac533f8f547d1976a41b8fb9ee735b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.151815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019545/manifest.json
observed f203fae6734fb665ee7d3dafe39276bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.133944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019545/publication.md
observed 580ea761098cdfd9548099c01d15e053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:59.115616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019545/publication.txt
observed c2a41e333b59f112e22ee9670463401b...
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.