OpenTechnical

OT-2026-000014204

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000014204) never changes.

Identity and time

Publication numberOT-2026-000014204 · never reused
Internal UUID01a0ae6d-b279-7864-bfce-da7e6f99cf25 · 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-2026-000014204
StatusPUBLIC

Content hashes

Canonical textafe57e05ba0097d00c19a1c70ef11f6f9882662c1be176ce193f2d52e718230f
Markdown873c5d8cb67a887baed6069fcb31e89d79d5736a297da92065cdece3992f2d1f
PDF
Publication page8c9dbb27dbe9e86ce04a9cd92ee02e7738fa7d7689b0fd48d324d67f6e830393
Manifest249754a6b8b7554750ac852f1fadaa03823231d8ec1dbbea42bddc694b5a48c7

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
Signaturew1gw5AlcSWezlsEpLSsYBRQQhG4V22/IgMAijKexhLlL2XNZ5hokUDL06Vi/uabmbigjDnRC/hJpJwsU0NFxCA==
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

2026-09-17T12:07:18.491727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014204
observed 8c9dbb27dbe9e86ce04a9cd92ee02e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.473704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014204/manifest.json
observed 249754a6b8b7554750ac852f1fadaa03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.453460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014204/publication.md
observed 873c5d8cb67a887baed6069fcb31e89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:18.433873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014204/publication.txt
observed afe57e05ba0097d00c19a1c70ef11f6f...
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.