OpenTechnical

OT-2026-000012112

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000012112) never changes.

Identity and time

Publication numberOT-2026-000012112 · never reused
Internal UUID01a0ae6d-39f4-76ae-af7c-dda627a52fb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012112
StatusPUBLIC

Content hashes

Canonical text1ac44ed2e71d40af9dc70b52aa1fba73cae994ba8a094b037e61bfe208a4be61
Markdown256987008d807e2eeb2c41b3ab0f528d9427c35387b35dfc5f842352bd4042b4
PDF
Publication page9c61846abcafebb974d3e45a10b30ca64f6766e2006d1bbc7af4b8a810c2c5b1
Manifest3a2a163c73378012bcc5284fc4630dba582a3b75924f31f1ac7e57523935e391

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
SignatureDqnuoD11NQKLQdGbpu+82ZJvqGHGERyaKazGprWSjAMl2vuLtATKMK1kKhwUldmwt0sa+CNAnmooIRH/kSlRAA==
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

2026-09-17T12:10:59.502642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012112
observed 9c61846abcafebb974d3e45a10b30ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.485015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012112/manifest.json
observed 3a2a163c73378012bcc5284fc4630dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.465712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012112/publication.md
observed 256987008d807e2eeb2c41b3ab0f528d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:59.447054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012112/publication.txt
observed 1ac44ed2e71d40af9dc70b52aa1fba73...
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.