OpenTechnical

OT-2026-000058987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000058987) never changes.

Identity and time

Publication numberOT-2026-000058987 · never reused
Internal UUID01a0ae89-47a0-7dba-8f8f-2bec074719ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058987
StatusPUBLIC

Content hashes

Canonical textffdc272b087109a0c651179537d41b4d2f6049970437f30e39d3c8368b15afcf
Markdownab2d86e2147274721b59bac87d5da828db952dde808b9709db20fa4bf8856c88
PDF
Publication page185a9db4c641255a8eb305ba6602baa3163010746a09e4e1a4613fd420e2224e
Manifestccddf63e6fb49aca957d5112f68ecf5d3e4447c972fdec02304ee8e79dd6fef1

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
SignatureooFnTNLyp+v0e56HKbYvpb08SCAQxX5si1cDQTjHmek21XonmpJPSuL0Xpr0Lnq40h/4TuJok82YHzTrAhr2Bw==
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

2026-09-17T10:46:34.325546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058987
observed 185a9db4c641255a8eb305ba6602baa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.306788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058987/manifest.json
observed ccddf63e6fb49aca957d5112f68ecf5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.285947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058987/publication.md
observed ab2d86e2147274721b59bac87d5da828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.267487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058987/publication.txt
observed ffdc272b087109a0c651179537d41b4d...
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.