OpenTechnical

OT-2026-000104005

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000104005) never changes.

Identity and time

Publication numberOT-2026-000104005 · never reused
Internal UUID01a0aea5-15e8-72b0-93aa-898c2d6b4ae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104005
StatusPUBLIC

Content hashes

Canonical textf1f5020d427b81cee2127db08ee7715742d6a057009c6ad0934aea5876ff28ed
Markdownc892f3cc9f18207d8802da61bd9621068b4a7dc1b89b26e0e47b471f452ea3b6
PDF
Publication page3a1c3d01c74a7de73983e72738dfc29af89718726d75f3553e95d53c4c87bd39
Manifest9d456fe70a40d1e90d4bd49abb74abddd982103d7a648eec1d0d8f6daed715d6

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
SignatureoM6q/ZAfLs5Qvf6KYSm5gkhjzLGzFZZmp/J0z2ftxZ//WnqE3wnFMWBwpQU4n0ZvR3HlzklPFp3+I5pcYX3GAA==
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

2026-09-17T09:22:00.841910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104005
observed 3a1c3d01c74a7de73983e72738dfc29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.824022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104005/manifest.json
observed 9d456fe70a40d1e90d4bd49abb74abdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.806014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104005/publication.md
observed c892f3cc9f18207d8802da61bd962106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.787351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104005/publication.txt
observed f1f5020d427b81cee2127db08ee77157...
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.