OpenTechnical

OT-2026-000049894

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000049894) never changes.

Identity and time

Publication numberOT-2026-000049894 · never reused
Internal UUID01a0ae81-fd76-772a-884d-ed5bc42f560d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049894
StatusPUBLIC

Content hashes

Canonical text37ccf1cf47f6387adfd1218712752745576de04734176246ec9145074d232d63
Markdownff7baae3054b7a438e7ebc3d7510b44124fb4d3d8e28fed612801a3b77e917ac
PDF
Publication page07e0339adb3cd77c5ae0ba1f28cb1c9931145f2421594b673bc9030446522f08
Manifest793511b3409c516dc0dd36fefb48e6cb267ed4b2d4809bc364f6ff5a771cb76b

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
SignatureNF/2NCrJBRyDP6l05+dNKPYegQ5V+9i52lKmrCkSsrV3cOrTGip8FltxDy5a2iMKAD4Q5ZRm/GQxoJiVdqOkCQ==
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

2026-09-17T11:01:48.734230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049894
observed 07e0339adb3cd77c5ae0ba1f28cb1c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.715275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049894/manifest.json
observed 793511b3409c516dc0dd36fefb48e6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.696190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049894/publication.md
observed ff7baae3054b7a438e7ebc3d7510b441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.676966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049894/publication.txt
observed 37ccf1cf47f6387adfd1218712752745...
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.