OpenTechnical

OT-2026-000016032

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000016032) never changes.

Identity and time

Publication numberOT-2026-000016032 · never reused
Internal UUID01a0ae6e-0c4d-76c0-9549-57824fc6fb93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016032
StatusPUBLIC

Content hashes

Canonical textc237e4ab72143bd8770ed8132e0ea95982c6e2320086b4b52d7394f2acf48195
Markdownf36a34940e2d23ce40abd3d32272366c6424c61e4a546133fd7458038638f91d
PDF
Publication paged916ea6fa6c2d18aa3396ad8b30f37c3b757eb9b2f62cf86d667829df9964f42
Manifest88d962fc2d5606ca74183c027c6ddea02a4270bad7bb79d5108d3e06c51ac834

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
SignatureD1DK2qdoJfT4svQTtPHHxWmXYp+eFvIqTEZBZyOhcmYSHnRpdGmZ9PJ3Lyo8rbmf807RDkKwQzkrAKbDyvQPAg==
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

2026-09-17T12:05:34.944311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016032
observed d916ea6fa6c2d18aa3396ad8b30f37c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.923654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016032/manifest.json
observed 88d962fc2d5606ca74183c027c6ddea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.904032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016032/publication.md
observed f36a34940e2d23ce40abd3d32272366c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.884173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016032/publication.txt
observed c237e4ab72143bd8770ed8132e0ea959...
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.