OpenTechnical

OT-2026-000058211

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000058211) never changes.

Identity and time

Publication numberOT-2026-000058211 · never reused
Internal UUID01a0ae88-6edb-70c0-96e5-253f1d97169d · 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-2026-000058211
StatusPUBLIC

Content hashes

Canonical text65cd6ca6ff85c4d38fbdf57139772f0ddd3cf5eaa1bc7363959266548d5b7d9e
Markdown42e756478ae2201a0256fe188641703ad5fbb67bff2e9465fc8210fc9938f23d
PDF
Publication page009bd497d4984713e9eea812456da3bb647800da83b99856c08d0b7104747c1c
Manifest98117f1edacffef2101b27544d2a6b08bcffe845b11864515ba21df51b18448d

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
SignatureaRkFLLbe6OMKsUiQyU6DVeZ0D9Xq430oX5jEPOdQvNg5fPxi0vDfA0NA3CRq+b33yoQwNByHR/ygSolyBd4iCw==
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

2026-09-17T10:47:52.389880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058211
observed 009bd497d4984713e9eea812456da3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.372551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058211/manifest.json
observed 98117f1edacffef2101b27544d2a6b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.354965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058211/publication.md
observed 42e756478ae2201a0256fe188641703a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:52.337438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058211/publication.txt
observed 65cd6ca6ff85c4d38fbdf57139772f0d...
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.