OpenTechnical

OT-2026-000043172

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000043172) never changes.

Identity and time

Publication numberOT-2026-000043172 · never reused
Internal UUID01a0ae7b-327c-7ae3-964b-94a0f850d13f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043172
StatusPUBLIC

Content hashes

Canonical text36783c1a4e52fa53a356b50be20b0d6fe88e42ec92d945e502fb466dae33f3f4
Markdown40aeb14ea059e1122d6179f6369b4effa8dd3e9ad7f9b9fe9ad073f5a557bd3c
PDF
Publication page712838b27f72c13bb34087c49820ae544268849426a080e3282b3c3ec655562b
Manifest776fe05ca7da366079757638ed47595381e90993942b88c5fe147a12de94843d

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
Signature0PunmEXFdl1GVGQG1rU0lA6Ek+jpgTbnEblRX/VP3Ew08Tqs7xgQQUj7KTUsPVK3iiHNVLVPRjV7bZuzL7RTDg==
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

2026-09-17T11:13:37.235219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043172
observed 712838b27f72c13bb34087c49820ae54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.219011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043172/manifest.json
observed 776fe05ca7da366079757638ed475953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.202377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043172/publication.md
observed 40aeb14ea059e1122d6179f6369b4eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.183168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043172/publication.txt
observed 36783c1a4e52fa53a356b50be20b0d6f...
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.