OpenTechnical

OT-2026-000061897

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000061897) never changes.

Identity and time

Publication numberOT-2026-000061897 · never reused
Internal UUID01a0ae8b-b8ad-7d1d-a37a-a4a485fa199b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061897
StatusPUBLIC

Content hashes

Canonical text18313b367112e9f3a94c0f97e3ad158c42e84b5d303a85c15280bf997af2a7da
Markdownbcd09aaaa3ae54a06e488cc49adfcde895c7d89ce2923e97963164e6d333199b
PDF
Publication pagebd583e2d30b02df3d77609b9b24b48dbe1bc2de19b09703c03b5ee366e0c5781
Manifest1a6b86f596e155cac95282b94b982ad97e2664a9c57faed13961a24c08ec3bc5

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
SignatureOGa3EKmU3jSsjq6fh7w3zsE4vDRAlILfPfCqQxVi5mDVBnY+v0A6zynWj1K66Goj6fksFsBGonnIzhyi0/JJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:46.217895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061897
observed bd583e2d30b02df3d77609b9b24b48db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.198555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061897/manifest.json
observed 1a6b86f596e155cac95282b94b982ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.177391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061897/publication.md
observed bcd09aaaa3ae54a06e488cc49adfcde8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:46.157866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061897/publication.txt
observed 18313b367112e9f3a94c0f97e3ad158c...
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.