OpenTechnical

OT-2026-000014074

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off before set-down

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-2026-000014074) never changes.

Identity and time

Publication numberOT-2026-000014074 · never reused
Internal UUID01a0ae6d-8deb-7783-a381-ff74d6a415f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014074
StatusPUBLIC

Content hashes

Canonical textd15d56661c8aa3983256c5bf1e089614822ae68462aa00b49703bdd3eb5bd66b
Markdown5e246e53958cb3fd07905bcc105645bd241c3ce620173ff778b16a9d39bff327
PDF
Publication page9693a50fcbc8065cdb783db3ef3e93a537c83144de70312195b07a10b5740bb9
Manifest537af73ce512616c7fc0a05ebdce1a7b62da7bd04f6088fda6dd4c4267dc8dd8

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
SignatureLoVobttqo8+lbilqi/goIRsRZIuoz/L51M+0NQnmc36yCECkkzbi9p6mV9ScJDKijvBucAXpydiFZMElVlg2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:19.380923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014074
observed 9693a50fcbc8065cdb783db3ef3e93a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.363440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014074/manifest.json
observed 537af73ce512616c7fc0a05ebdce1a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.344915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014074/publication.md
observed 5e246e53958cb3fd07905bcc105645bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:19.324726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014074/publication.txt
observed d15d56661c8aa3983256c5bf1e089614...
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.