OpenTechnical

OT-2026-000079340

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000079340) never changes.

Identity and time

Publication numberOT-2026-000079340 · never reused
Internal UUID01a0ae96-0b90-74df-a2e3-85e71e9f7666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079340
StatusPUBLIC

Content hashes

Canonical text138bcb9d8f9098e1011f1433c121ffccf0f5ffa810cc64fd6ab59074cb91d048
Markdown879f885a21faff538fba1e24f4f5df03fbbe8797526311e6cb26391f85afcb95
PDF
Publication page491a9f50f5d94be338d9e694d8cc95a4b86421ef79e2d60be815d922d94e13f1
Manifestbd3e78e397598a589d6418920e12419b052572221ce102862207ddb3f4468c79

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
Signatureejo+W+wg273lXL3oPHz6CLIl95ERF+SEcryaeHLVi7M2R2D9yIMRntiiM1NYwwQSYVlyy+uarZo4qOHav/TIDw==
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

2026-09-17T10:04:57.265304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079340
observed 491a9f50f5d94be338d9e694d8cc95a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.246104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079340/manifest.json
observed bd3e78e397598a589d6418920e12419b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.227397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079340/publication.md
observed 879f885a21faff538fba1e24f4f5df03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:57.208877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079340/publication.txt
observed 138bcb9d8f9098e1011f1433c121ffcc...
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.