OpenTechnical

OT-2026-000101828

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000101828) never changes.

Identity and time

Publication numberOT-2026-000101828 · never reused
Internal UUID01a0aea4-0e18-767c-b1e9-05fb11b5c967 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101828
StatusPUBLIC

Content hashes

Canonical text291a5cf93f0342c49befb835bb0d8fae1c2b94f1d40c907e6d5d03596a99a323
Markdown6a4ad718855e06260d1d2704db64ff99617cd44f9fee9064d24cdc0d10b5c9f9
PDF
Publication page493bab15bb6a77a1a320b3ecd273951a3413f6c7c6a69a4ede5b373d655b3cc4
Manifest459ef8ca8262f97f461673a880e14d195eec0a55571ba6275800cb2234072b62

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
SignatureyVWKDZ2lunb2MBe1OJBE8/vDDxlrkaz09uXduWgrtICgedvBfKK1JH0c+GoxD85hnh93/nzbAb3ydO3mIhhtAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:19.771418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101828
observed 493bab15bb6a77a1a320b3ecd273951a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:19.751761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101828/manifest.json
observed 459ef8ca8262f97f461673a880e14d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:19.732260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101828/publication.md
observed 6a4ad718855e06260d1d2704db64ff99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:19.715819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101828/publication.txt
observed 291a5cf93f0342c49befb835bb0d8fae...
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.