OpenTechnical

OT-2026-000076923

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076923) never changes.

Identity and time

Publication numberOT-2026-000076923 · never reused
Internal UUID01a0ae94-b071-785f-8308-b4ff41b2c9e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076923
StatusPUBLIC

Content hashes

Canonical textf86f66a6959225e7ce24b0253677f4420b371781c466ba936e37cd040fdbba68
Markdown4092a2e617a0efea8712626ae7a95a908e27d4550e47c641388eaba24c6700a1
PDF
Publication pagec1eabb8fcccd256135f5d1301990562ced7fea07153fb453707ae9761935ad1b
Manifest18477279c4f8e96e067baf603345cb0fada293c6cb0287e6063e63bf9fddc5f1

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
SignatureYVJ5RJKiTMn5IDP4xlthCQPXeOu6bemYn1aoW7u7nVWDQzEWqRx5eZChS8L2HiTaxBjXsdGsTBlPsPdFAff+Bw==
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

2026-09-17T10:09:51.780827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076923
observed c1eabb8fcccd256135f5d1301990562c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.762832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076923/manifest.json
observed 18477279c4f8e96e067baf603345cb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.744028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076923/publication.md
observed 4092a2e617a0efea8712626ae7a95a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:51.724375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076923/publication.txt
observed f86f66a6959225e7ce24b0253677f442...
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.