OpenTechnical

OT-2026-000007701

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000007701) never changes.

Identity and time

Publication numberOT-2026-000007701 · never reused
Internal UUID01a0ae62-843e-7cc0-a0ee-f3974a7c3450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007701
StatusPUBLIC

Content hashes

Canonical textcf83d7d3e79020f7d0685dc1f7af8a6d4e140a84be6768c7f457404a72be859c
Markdown5f1a88ff3caa1f8b294038c13b8535a7efb5317cfc7224c9f1ebc23012cf20d9
PDF
Publication pagef24ab4f9d2baef6563bd353831090314d234e4745dd4b33ba89df870ec21aa45
Manifest9c68e7a2531250e61c54eb4f437169125f3ae40a43a0e5223609582fb08e8e17

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
SignatureK8p+jPYBT4sFV+aB+68Rn2q2j7W5VdyWPLYEDeU7PwhS4VeTX0SDetqpjefdPJOBIEsZ9rG5to0eCyUOpE30BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:05.021456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007701
observed f24ab4f9d2baef6563bd353831090314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:05.003490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007701/manifest.json
observed 9c68e7a2531250e61c54eb4f43716912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.986448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007701/publication.md
observed 5f1a88ff3caa1f8b294038c13b8535a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:04.968360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007701/publication.txt
observed cf83d7d3e79020f7d0685dc1f7af8a6d...
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.