OpenTechnical

OT-2026-000012296

Publication integrity record

Three bellows cup vacuum gripper, 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-2026-000012296) never changes.

Identity and time

Publication numberOT-2026-000012296 · never reused
Internal UUID01a0ae6d-39f5-74aa-bf3e-50b6497dd108 · 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-2026-000012296
StatusPUBLIC

Content hashes

Canonical text35b5ab65d23a2df3d65724241e15e8274b3aab9c46c34407d195d412bbb4df19
Markdownaa3b9f164b08126327a6f82513d26270600d8e8cbce9fc7df7727542c0fc02a2
PDF
Publication pagec9a2d33fde6d2b914a1f0335d733826585e3d88af559ae9bed2e79d82264a30a
Manifest85105c5ebf458526c75708ad1e1332ba5b955c4f1e14b2c06cceb515dc5b6f40

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
Signature9KrK60QChX3cQRv5ZsuLc3zvBTljdhzLPYQ5FyWMEZbnljvmK+1zCOywTdnfgoT6u6Q3C6U+bDh39sI96v2VCg==
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

2026-09-17T12:11:14.349502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012296
observed c9a2d33fde6d2b914a1f0335d7338265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.329387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012296/manifest.json
observed 85105c5ebf458526c75708ad1e1332ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.311545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012296/publication.md
observed aa3b9f164b08126327a6f82513d26270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:14.282692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012296/publication.txt
observed 35b5ab65d23a2df3d65724241e15e827...
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.