OpenTechnical

OT-2026-000061673

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000061673) never changes.

Identity and time

Publication numberOT-2026-000061673 · never reused
Internal UUID01a0ae8b-b8aa-7963-b3ae-d646807b6e14 · 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-2026-000061673
StatusPUBLIC

Content hashes

Canonical text52b68133c3fe448ecfe98497958561d4262e8e94a4cef33bfd54525a2b6f7a3c
Markdown63ec5ef0cecb28fc8e3a8b9f37b9ae89c3b81ccf661c76f9d8b79273d7158d89
PDF
Publication page55930f861807a665a430300b7af9faf888e9f7fae81f25481a9ce73b4281418e
Manifesta051ebe478287b4c9db490a609d1f3096945b0c09c67a481fb118c55338326dc

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
SignatureT2OMXOE7bQseie0MHgDxyBKxlQiKYUbhEwc7yRjZ7HlDLbUSiAzWAD/ciSFY8qDvDHBNrptmkFCtAZvUQ7ntBQ==
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

2026-09-17T10:40:13.560697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061673
observed 55930f861807a665a430300b7af9faf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.540960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061673/manifest.json
observed a051ebe478287b4c9db490a609d1f309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.521177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061673/publication.md
observed 63ec5ef0cecb28fc8e3a8b9f37b9ae89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.500546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061673/publication.txt
observed 52b68133c3fe448ecfe98497958561d4...
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.