OpenTechnical

OT-2026-000008522

Publication integrity record

Four cup vacuum gripper, four outlet manifold, 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-2026-000008522) never changes.

Identity and time

Publication numberOT-2026-000008522 · never reused
Internal UUID01a0ae6a-e46a-73dc-9dc9-47528824a1a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008522
StatusPUBLIC

Content hashes

Canonical text5c07220986930226ce70396f5ceb2bb70418822c174cc8e08ef01cc52f9fe929
Markdown6c5b9b57d71db073ec02a9d71140296d1f9bd0b8ed962b16f8692d22e036509b
PDF
Publication page157013060fa388c7df53645b8b76a121c237d3fe1cb172fd69fc40a2c9a32653
Manifest1f293806c13b97108519a65f670712719cac3f6863e085949393dddee6c36f42

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
SignatureCSN6+6kQGecUWt16cg2SSwofWjBNGZl9nqBs8B6pQK8ESB1QlO+T657JenjUvZXDmV/7LDpsOCQs/QxIGdi9DQ==
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

2026-09-17T12:18:26.274132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008522
observed 157013060fa388c7df53645b8b76a121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.253788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008522/manifest.json
observed 1f293806c13b97108519a65f67071271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.234592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008522/publication.md
observed 6c5b9b57d71db073ec02a9d71140296d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.214207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008522/publication.txt
observed 5c07220986930226ce70396f5ceb2bb7...
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.