OpenTechnical

OT-2026-000089806

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089806) never changes.

Identity and time

Publication numberOT-2026-000089806 · never reused
Internal UUID01a0ae9c-1a23-764e-9177-a5deaa65d5fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089806
StatusPUBLIC

Content hashes

Canonical text69a4974784aa6136361941a42832f6317db6ad96dfeecc364450a7d13c1d21cd
Markdown10bef9ec66ba610bb389575a57ccb60d9927616e7e039698b16a49dcb11892a1
PDF
Publication pageb8b1c0e523f750250891e22a1d0a2a43395adb9c07efaa951085ed4b03d27e05
Manifestf79fa2b2b174d7912183c120dc7944d4324790bcc0cb321f7437fd062b16cd82

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
SignaturebSM04YfVgg65SbSISL9Qe6qanN1M8irJ4uoPzg2A3QQVe44/nva7PdY3PPtCLEYZUIXLST4bP+sxumC6WtJBDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:54.002763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089806
observed b8b1c0e523f750250891e22a1d0a2a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.985557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089806/manifest.json
observed f79fa2b2b174d7912183c120dc7944d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.967682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089806/publication.md
observed 10bef9ec66ba610bb389575a57ccb60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:53.941941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089806/publication.txt
observed 69a4974784aa6136361941a42832f631...
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.