OpenTechnical

OT-2026-000018964

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000018964) never changes.

Identity and time

Publication numberOT-2026-000018964 · never reused
Internal UUID01a0ae6e-d522-7a1c-8ce0-ee09bf2dcb7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018964
StatusPUBLIC

Content hashes

Canonical text17bad73c17cb089dc9ee19e820480b462d5593841344c7188871fb7317446162
Markdown589b4485ba3964a9a055e52382dd67b570eec10045059e71dbb4e5df62053cc4
PDF
Publication page0288cbb1b06a0876fe85b373090e06850853f4ba62b6f9669615dee036974eab
Manifest50346c47ae8f750458a2b2c3ef9a9ccb18f8bbaae4d1cb34cd5b2c16dc84be30

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
Signature//uRXi/tdPyTTmMEE1RxNH3tQAMwTcb0kMJHLJrWw+a5wRWtdfP8NsX70L+fQX0/qdu5fT5eyFOKKfJ+oodBBA==
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

2026-09-17T11:59:38.301151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018964
observed 0288cbb1b06a0876fe85b373090e0685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.283999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018964/manifest.json
observed 50346c47ae8f750458a2b2c3ef9a9ccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.266919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018964/publication.md
observed 589b4485ba3964a9a055e52382dd67b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:38.247644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018964/publication.txt
observed 17bad73c17cb089dc9ee19e820480b46...
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.