OpenTechnical

OT-2026-000008971

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000008971) never changes.

Identity and time

Publication numberOT-2026-000008971 · never reused
Internal UUID01a0ae6b-31b7-7d46-91d9-7e2d56bb50f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008971
StatusPUBLIC

Content hashes

Canonical text13c46640fac9bc52e4bcc27a4db0611982185f3573acd07dd5d8bf7eea2b8e81
Markdown8d9066092038d935cdfa314f85613b061ba9ab206fea4fb39f38cd201096b9d2
PDF
Publication pageb224fe42147f432ee060ddcceddd9d101a66b63840bec81e6a376884e074a4b5
Manifest0c23a86719b2931e8bb924cb8ed57030f345feaf95af87877f30bfed8ff4172a

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
Signatures9MX3jrURBjdBFhC7LzDDGsoh1KUS1BVdmImsDXw6SyOfOSTDa+e2QTwloLeFK/Imgw63C8TI8S+9KkVyYkhDA==
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

2026-09-17T12:17:35.412248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008971
observed b224fe42147f432ee060ddcceddd9d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.391400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008971/manifest.json
observed 0c23a86719b2931e8bb924cb8ed57030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.372249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008971/publication.md
observed 8d9066092038d935cdfa314f85613b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:35.354475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008971/publication.txt
observed 13c46640fac9bc52e4bcc27a4db06119...
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.