OpenTechnical

OT-2026-000015729

Publication integrity record

Six cup vacuum gripper, 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-2026-000015729) never changes.

Identity and time

Publication numberOT-2026-000015729 · never reused
Internal UUID01a0ae6e-0c4b-717b-893b-e0382fbd029c · 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-2026-000015729
StatusPUBLIC

Content hashes

Canonical text125f1d1f8af90ea499551a8501d893401ee365e955a4fe587ef915e745ce0c9e
Markdownf510b73dee9b3299b6befac7a76614a59948598a5bdcd1c6fb48144e969a00ee
PDF
Publication page366a5cc4458f71f1de7acbb15f90dc2ae9e953fa3c09c61123dc071c1294e9d4
Manifest0d4de46d5b78b1806d5264f5102147d7a22dd490deb521d6d29a0883d6720438

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
SignaturesviRcSBerTWArWJQiXsD03ateMTOYvjAGtN7FzBMqdMVQ5lc5H101RZBfQ9l3osdpXJg9Fcd39I3mb+cyexQDA==
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

2026-09-17T12:05:00.922057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015729
observed 366a5cc4458f71f1de7acbb15f90dc2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.903542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015729/manifest.json
observed 0d4de46d5b78b1806d5264f5102147d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.885283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015729/publication.md
observed f510b73dee9b3299b6befac7a76614a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.859718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015729/publication.txt
observed 125f1d1f8af90ea499551a8501d89340...
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.