OpenTechnical

OT-2026-000078900

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000078900) never changes.

Identity and time

Publication numberOT-2026-000078900 · never reused
Internal UUID01a0ae95-ccbd-779d-9acd-2e1a1caf3f3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078900
StatusPUBLIC

Content hashes

Canonical text9de5c93185ed188e41b17a95aee120ded384eb036a952f955a074b124a1ad4f9
Markdownc6e50abf798e41cdb21141c2c6790d2d796af72f05b0620cc03beeaa59edbfaa
PDF
Publication page743e75db3f586c0deccfeabdda4fca54a11a8b0d96de4cb75c1a2e042c4fbbde
Manifest91e70c2a9d3194f9d1b913caa33a60fd880093f9bea0bc8d9368bd2eb6acec3a

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
SignatureDGWRP2TijZXxhJOEgh/p/QFy9ThWR62fVwZBCcVZg5YOCCfvtPeSJwmQaIoFotUFe0/TfKGSdYg22Gxe80e9Cw==
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

2026-09-17T10:05:42.685321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078900
observed 743e75db3f586c0deccfeabdda4fca54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.666526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078900/manifest.json
observed 91e70c2a9d3194f9d1b913caa33a60fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.647210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078900/publication.md
observed c6e50abf798e41cdb21141c2c6790d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.628484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078900/publication.txt
observed 9de5c93185ed188e41b17a95aee120de...
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.