OpenTechnical

OT-2026-000102287

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000102287) never changes.

Identity and time

Publication numberOT-2026-000102287 · never reused
Internal UUID01a0aea4-50f3-7185-baf4-c064b1e0327f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102287
StatusPUBLIC

Content hashes

Canonical text245b72be8a3eb90d423bfff843bf1ad53cbdc6956dca7f6305fe2031d9d3e226
Markdownd47877d7f25cfe481eeaedb6155c019355691b3fa8fb897d7f078d3d867d454a
PDF
Publication page222fa2e8cda6fc796661c9c854770478daa74239df5618633e28af7ecfc980a0
Manifest20b44cbf189eaa533d0c96d7c6b50cea1479b3d287a7c5df4e7c0f7107ee0e05

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
SignatureXfV1kgDhCYlxTjxK1D188dtbcrcIMldjOezHHbcsnTlusxdgaGQ+tdvJrzteCXg4LTZnh5Um67mfPAV9b4XACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:28.779796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102287
observed 222fa2e8cda6fc796661c9c854770478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.762452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102287/manifest.json
observed 20b44cbf189eaa533d0c96d7c6b50cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.744545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102287/publication.md
observed d47877d7f25cfe481eeaedb6155c0193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.725086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102287/publication.txt
observed 245b72be8a3eb90d423bfff843bf1ad5...
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.