OpenTechnical

OT-2026-000079480

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000079480) never changes.

Identity and time

Publication numberOT-2026-000079480 · never reused
Internal UUID01a0ae96-0b91-75b7-b763-c7ddbfc512e4 · 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-2026-000079480
StatusPUBLIC

Content hashes

Canonical text7a44e89148c73c806cf269f841cac1081d8c4b600e13570e822fad51ae771f78
Markdowne1eb4cd83df931cbd1d917bc71332451f70510224e4b31d9f8c4eb33ceecd26d
PDF
Publication page3ff6c3beeb123060ca7b28bf31d5c00d10bc2f14dbc069570195a52e6d55a390
Manifeste555e0027b6035ee77c32a2e13c62f33d30e22701251d1b110a25401a39731fb

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
SignatureLl+NXW5rrGGDWhdz1W5RcaJWS3axYeUNM5Hc4rHNqMmzEx8kuYNn7o3t4qbuDTzz6gqiVKvFEQ7PGPavdUdzCw==
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

2026-09-17T10:05:06.183666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079480
observed 3ff6c3beeb123060ca7b28bf31d5c00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.164991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079480/manifest.json
observed e555e0027b6035ee77c32a2e13c62f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.145841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079480/publication.md
observed e1eb4cd83df931cbd1d917bc71332451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:06.127329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079480/publication.txt
observed 7a44e89148c73c806cf269f841cac108...
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.