OpenTechnical

OT-2026-000038513

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038513) never changes.

Identity and time

Publication numberOT-2026-000038513 · never reused
Internal UUID01a0ae78-2d53-7b05-9b88-0e43fcbacdce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038513
StatusPUBLIC

Content hashes

Canonical text5bd78875bbb00ed732536e0b5bd8704c8377581f047d34fd6f881d7a72ccfe65
Markdown5787ce6cfdea4f6333e4b3a8c0682b9f88b229a72f5d020793af027655e692b9
PDF
Publication page4f430411503cf83c1d1fa2c8af575eb394bb0ecaa124e2811a7a84edc1a3889a
Manifest2e3de0cdc0704503a573f1e09023e981df1289bd3558c72ee4a585defaa41ff4

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
Signaturet3KdAuve8U3SzOXHecucT0HqHXkRSXaz6qZ2SP8lDcjDIchJ2VqY43YsSWBmV5gCZVh0m2Qie30xFpbnfuZGDQ==
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

2026-09-17T11:22:45.825050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038513
observed 4f430411503cf83c1d1fa2c8af575eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.805384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038513/manifest.json
observed 2e3de0cdc0704503a573f1e09023e981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.784674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038513/publication.md
observed 5787ce6cfdea4f6333e4b3a8c0682b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:45.766224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038513/publication.txt
observed 5bd78875bbb00ed732536e0b5bd8704c...
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.