OpenTechnical

OT-2026-000032865

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000032865) never changes.

Identity and time

Publication numberOT-2026-000032865 · never reused
Internal UUID01a0ae75-4842-7c8a-bf45-d202218315e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032865
StatusPUBLIC

Content hashes

Canonical text4b3670b6d04a6d7aea34350041ee708d2bef70e336806a105dd6172fafc40866
Markdown3e369b00f5752fdb0ac9453e2b1edf97de638cd355360f54a18c042cc8e9f0b5
PDF
Publication pagedb6f071aac5aa20e7dbf29faf5f1225e81529be63d1c3261a63d0ac34f0b0109
Manifest0337f673051978231ff3db93d29e87124548029abdf9e8659126c4bbbdc2dab2

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
Signaturew573sDML1+C6FUvOk5o+WsEvF+TJE7DitgyAVscyoRlT/7/xDw9vljl5rXGm7zjkbnB+XzCVYDVkVefDmdZzDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:19.999568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032865
observed db6f071aac5aa20e7dbf29faf5f1225e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.981941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032865/manifest.json
observed 0337f673051978231ff3db93d29e8712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.965435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032865/publication.md
observed 3e369b00f5752fdb0ac9453e2b1edf97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.948049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032865/publication.txt
observed 4b3670b6d04a6d7aea34350041ee708d...
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.