OpenTechnical

OT-2026-000008081

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000008081) never changes.

Identity and time

Publication numberOT-2026-000008081 · never reused
Internal UUID01a0ae6a-908c-7b00-9b05-dcf4285b9d98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008081
StatusPUBLIC

Content hashes

Canonical textcb716680d4f8912494ea0ebb8e270fa96ca1c15775150c547482ead340d2ecf8
Markdown9c22773ecde8aca9050f6cb35f59a4159805fba59de5e38dbf8072317d07f829
PDF
Publication page71e39d2e6a8098beb321f9f40dfa734a885034015d6d39d525de0cf94a2e8a7f
Manifest1d7ef0da28df7969ce2b47832f627a257d45229fb6c82ea82c5aa8bdf934e944

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
Signature9BZ27X7kCo7EbZOGL3cr7b1AqdNvyi7Acorxw6dTeb5a3nSf3UgdQHgVAsPnOkSDvUv3V4M070ML/SxZ9EEGDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:22.093895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008081
observed 71e39d2e6a8098beb321f9f40dfa734a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.074888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008081/manifest.json
observed 1d7ef0da28df7969ce2b47832f627a25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.055777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008081/publication.md
observed 9c22773ecde8aca9050f6cb35f59a415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.035944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008081/publication.txt
observed cb716680d4f8912494ea0ebb8e270fa9...
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.