OpenTechnical

OT-2026-000043912

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000043912) never changes.

Identity and time

Publication numberOT-2026-000043912 · never reused
Internal UUID01a0ae7b-d678-7c24-b477-432a71a4f2bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043912
StatusPUBLIC

Content hashes

Canonical texta32c06e813758707f8368c73ee8d58c1f156fb6fd6313778cfa48fd035c616f8
Markdown58cbb2d4ee4934773cbc19a7b9370de1d8c99aca6c4c5eaf908aa250a2c00cc9
PDF
Publication page721f63d9c4a6d4c503f6888551f4b485511de571dec0dbf7f45157889275c695
Manifest1ca2caad160e801818970307b0948cccf326f4b73d8c71b61c136d5d2e8ca88d

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
SignatureLa3+Qf9XiFWdi22K0osMPTZsXfcEkFZXjgxCggaxDP5DxwSGRnMh2fw0DxmfBS1wv+LIMz8ZodTLeOjO/xk6Bg==
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

2026-09-17T11:12:15.249417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043912
observed 721f63d9c4a6d4c503f6888551f4b485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.230541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043912/manifest.json
observed 1ca2caad160e801818970307b0948ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.207642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043912/publication.md
observed 58cbb2d4ee4934773cbc19a7b9370de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:15.186091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043912/publication.txt
observed a32c06e813758707f8368c73ee8d58c1...
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.