OpenTechnical

OT-2026-000022018

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000022018) never changes.

Identity and time

Publication numberOT-2026-000022018 · never reused
Internal UUID01a0ae6f-bb5c-75cd-a151-66c1999ed416 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022018
StatusPUBLIC

Content hashes

Canonical textf32e01432280938406700608d57d36561332296722441303e040c01daa9dc5f8
Markdownc114588acf4af4e05e99d743975003141047899fbc9e11e51fcf3020b5b29897
PDF
Publication pageb8302bf9fe38bc909d044018a32984a8a0d1e6687bdc322b1306447e16db42fa
Manifest93d3b30ca2e66c4cd1d5a2dff3d62be98f8e4606623dd8b98f841e96af8ef7f8

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
SignaturefbY/VzYD6cvrQVRap548XC7HID6i413CTTKTXSCSFiC4VZsJII4efmmmpTXPIZQE8x+bZHGwl3RBxiSvCNfvCQ==
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

2026-09-17T11:54:42.128182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022018
observed b8302bf9fe38bc909d044018a32984a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.111435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022018/manifest.json
observed 93d3b30ca2e66c4cd1d5a2dff3d62be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.093527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022018/publication.md
observed c114588acf4af4e05e99d74397500314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:42.075388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022018/publication.txt
observed f32e01432280938406700608d57d3656...
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.