OpenTechnical

OT-2026-000102180

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000102180) never changes.

Identity and time

Publication numberOT-2026-000102180 · never reused
Internal UUID01a0aea4-50f3-7c45-a3c3-90059c10c058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102180
StatusPUBLIC

Content hashes

Canonical text00df6bfbf3b27414f17a963354901887dbb29ec2f8f74f4d9370ce7b6225846d
Markdownc951b20d53e7848de4d81d1dc0e8561fde656db82d2b208bf77f7404a4b77d9c
PDF
Publication pageac52ef6ac77bae83d86b897f1e00ba1061be6943a4f85a4fdd1d84f7b5f74e7f
Manifest278cdaf79b73033180ba36114be56df903b7e7ad92524703465b53456fe2feda

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
Signature9g1gRw8a6SUL4eSWvI7rttZAAu/JDJBj081NpSwgqd7wxDz3K3f849tkBCJg72p9mVYqZYiAz/sPpedJuWuZAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:21.159237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102180
observed ac52ef6ac77bae83d86b897f1e00ba10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.142497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102180/manifest.json
observed 278cdaf79b73033180ba36114be56df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.124130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102180/publication.md
observed c951b20d53e7848de4d81d1dc0e8561f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.107045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102180/publication.txt
observed 00df6bfbf3b27414f17a963354901887...
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.