OpenTechnical

OT-2026-000079590

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000079590) never changes.

Identity and time

Publication numberOT-2026-000079590 · never reused
Internal UUID01a0ae96-0b92-7d0d-8401-80cf3f601c45 · 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-2026-000079590
StatusPUBLIC

Content hashes

Canonical text178a82bab898eed2d140c74d56514f57daf053939813b44cd84165da4d88bed7
Markdown9f9c816e3505181d5991b982707eb760c04718a760f3ea5cc511ede3ac0a8faf
PDF
Publication page24ebb5c09c867cb672317f1bda372040a1ff30353471c46ca38ce8be669bab5f
Manifestad092faafb650ed023a09ff64a857675031df3fbbda18dd098495970fe180afa

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
SignaturexcccDE0YppuVscyx5wc81hK+EYBG0XG+zaUxpjwwzsm7mXxdDMryt3CBPiinAW147b6dlhb2p5HYbvJkpirsBA==
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

2026-09-17T10:05:14.839610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079590
observed 24ebb5c09c867cb672317f1bda372040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.821585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079590/manifest.json
observed ad092faafb650ed023a09ff64a857675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.803465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079590/publication.md
observed 9f9c816e3505181d5991b982707eb760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.783479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079590/publication.txt
observed 178a82bab898eed2d140c74d56514f57...
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.