OpenTechnical

OT-2026-000031083

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000031083) never changes.

Identity and time

Publication numberOT-2026-000031083 · never reused
Internal UUID01a0ae74-3fb8-7869-a8f1-da27886bfb07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031083
StatusPUBLIC

Content hashes

Canonical text715ea6fde7a992f7b7c673a6911cf18894a3f92fb99859bd9b4a8e2d740883c0
Markdown7783e9a55b69d5b4ea5c4c36fcf7bfea08b7f4297d78dc8864a11cc63d42d7f6
PDF
Publication page60e937e920d64e0f8b1c70a15a94ad708323d8cc465f64c2ac6a253a262b6c6f
Manifest772773429a9dbb5e1886306be4915b1176a86c88abce902f4e3dc8f0740acd1a

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
SignaturejBZLvUUyW+Yz4wb9+j5ADQ12uTLsBtw8ktTEaan8AvoKUbUib4iGwu0Yb/KpEMx3TLGzeL5XOkUwFDS7Zo8VCw==
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

2026-09-17T11:40:18.321129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083
observed 60e937e920d64e0f8b1c70a15a94ad70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.302288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083/manifest.json
observed 772773429a9dbb5e1886306be4915b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.279231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083/publication.md
observed 7783e9a55b69d5b4ea5c4c36fcf7bfea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.258519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083/publication.txt
observed 715ea6fde7a992f7b7c673a6911cf188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.391986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083
observed 60e937e920d64e0f8b1c70a15a94ad70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.375758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083/manifest.json
observed 772773429a9dbb5e1886306be4915b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.356676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083/publication.md
observed 7783e9a55b69d5b4ea5c4c36fcf7bfea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.339622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031083/publication.txt
observed 715ea6fde7a992f7b7c673a6911cf188...
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.