OpenTechnical

OT-2026-000058005

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000058005) never changes.

Identity and time

Publication numberOT-2026-000058005 · never reused
Internal UUID01a0ae88-6ed9-71e0-aa10-f86d24b1970b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058005
StatusPUBLIC

Content hashes

Canonical text4d02d20b1566edc9432e720d68977dc172b867cd5e4c3013c039b0ddfd8b0912
Markdown3ee9167dbc0baa9e5dfaabd45eb1ae98f9dc6049b3508efd1d0841b3a293bc20
PDF
Publication pagefa2dd8fd5946cbfa42425544db4fe5456baf9fc37947d82a08d193fa64dbc07d
Manifestc2adc33c2896f38d208369930fa34bcb4a7176a11b20896163cbf06efc05ce77

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
Signature7qxnknwvjG9Yl6qlkr46TdFv1eVMNi6c2bj4a1dVQh3XHNphHOWzA51p1R+3cR0DvJynrp2oI76Kn6oTTIi3Bg==
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

2026-09-17T10:47:38.298324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058005
observed fa2dd8fd5946cbfa42425544db4fe545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.280274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058005/manifest.json
observed c2adc33c2896f38d208369930fa34bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.263109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058005/publication.md
observed 3ee9167dbc0baa9e5dfaabd45eb1ae98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:38.244418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058005/publication.txt
observed 4d02d20b1566edc9432e720d68977dc1...
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.