OpenTechnical

OT-2026-000049067

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049067) never changes.

Identity and time

Publication numberOT-2026-000049067 · never reused
Internal UUID01a0ae81-134d-73a3-8582-b352f3a5cfad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049067
StatusPUBLIC

Content hashes

Canonical text4751ce2103e47de8367b12730c57595e45a82299ee3172e84d1ee6db5b130ea9
Markdownf3570d686a293b536dbacb9259f02dfb5ca30387e032912c175b3cf07ddbb4e2
PDF
Publication pagef2859c2053638692468e9f35b96b7cdc237ee5a04b293d0630a5528f7cdf6203
Manifest65a46fe6b1fcb3764e9f1133eba3d05030ad6fcfd368d690224b90af212880be

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
SignatureZZaPfkeLkBUAZ/vazsDfb3MNbAFsN45m6/WLfANMBRNCPfTcwcmAkSDse5c3U5nL18JbLSCF1Cb/pIzrwEi3CA==
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

2026-09-17T11:03:18.083333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049067
observed f2859c2053638692468e9f35b96b7cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.064547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049067/manifest.json
observed 65a46fe6b1fcb3764e9f1133eba3d050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.044268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049067/publication.md
observed f3570d686a293b536dbacb9259f02dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.023219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049067/publication.txt
observed 4751ce2103e47de8367b12730c57595e...
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.