OpenTechnical

OT-2026-000080888

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000080888) never changes.

Identity and time

Publication numberOT-2026-000080888 · never reused
Internal UUID01a0ae96-b974-7dca-9d09-b1469b099d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080888
StatusPUBLIC

Content hashes

Canonical texta10feeca44563924ed34ef87ce9bb3997d0f7e3155ae21e433f1ec98d3c9f225
Markdowne14854f3c446658c8de53ce46665128a1de7f436a62966cb5b72af44b7549377
PDF
Publication page50655de1d08be0bae9ab7f801f8516cd6d1ca89b8388393f80e5015365c42157
Manifestf29cc7ca9be0cea9e82df7eae7a6c31102016df130496a1345d2bc19ac7958b6

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
SignaturetzKo+0o0Q9TZsigvM8k4QVzdw1IPlOL33q0QnsKbHPWhnfyj++BYBIWLe1uxOBWQQN9fzwCsD48SeLCjX/2QDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:05.408801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080888
observed 50655de1d08be0bae9ab7f801f8516cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.392073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080888/manifest.json
observed f29cc7ca9be0cea9e82df7eae7a6c311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.374592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080888/publication.md
observed e14854f3c446658c8de53ce46665128a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:05.356899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080888/publication.txt
observed a10feeca44563924ed34ef87ce9bb399...
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.