OpenTechnical

OT-2026-000014108

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000014108) never changes.

Identity and time

Publication numberOT-2026-000014108 · never reused
Internal UUID01a0ae6d-b278-7b74-a290-18032aedd841 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014108
StatusPUBLIC

Content hashes

Canonical textfb5c6a5fe4ac6c0f9f6942642c33005ec675019bb9f89b947a5e687bb9365259
Markdown4420028ec6f6538314de9a6ebb6f95ca0fc9cfb08546644385fe85cd72f78f62
PDF
Publication page604805ab43053dd42adf6fe1aa7aece447d77c96c79e3acd19ee96a1efd83e6b
Manifest3ebf47238cf36628b09520d344ae772aa9a2ea2f3e4b04106b76e0c49bc1f503

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
SignatureV/2UhK5W6HktAzbq/iaBIi/tjyAbit47dKjyv9foDg/eMwF8QRhHjPMi9+aY7Ck7cJloZCWnaomhqzP3LPRICQ==
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

2026-09-17T12:07:10.399062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014108
observed 604805ab43053dd42adf6fe1aa7aece4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.376288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014108/manifest.json
observed 3ebf47238cf36628b09520d344ae772a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.354451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014108/publication.md
observed 4420028ec6f6538314de9a6ebb6f95ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.332423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014108/publication.txt
observed fb5c6a5fe4ac6c0f9f6942642c33005e...
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.