OpenTechnical

OT-2026-000015848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000015848) never changes.

Identity and time

Publication numberOT-2026-000015848 · never reused
Internal UUID01a0ae6e-0c4c-7e0a-a23f-a8290ae5d6b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015848
StatusPUBLIC

Content hashes

Canonical textadb71851248fae5eb72f5cead7511d10e5c924341ee058420ac4aca422b1e0bd
Markdown97740d29e8d1d361905e1f92ff7fba470784b187901e907f1b121fc5f890c836
PDF
Publication pagee8cf14af1e7fbd19d84786fe84e86fece28a7fa6ef9b317ba8bee8eec9565116
Manifest913f0571e7a41bec64275bd9406a7c06c1dbe045f76be365bf04e327601b8db7

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
SignaturePHCSh/xkyW710quGozARf/8xSoKGyot2TMuc2V5K2GJGz0njVufahSbl0FcVuyY8UDVXyG3jYzBRXau+is4ZAQ==
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

2026-09-17T12:05:10.415863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015848
observed e8cf14af1e7fbd19d84786fe84e86fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.389548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015848/manifest.json
observed 913f0571e7a41bec64275bd9406a7c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.360033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015848/publication.md
observed 97740d29e8d1d361905e1f92ff7fba47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.341206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015848/publication.txt
observed adb71851248fae5eb72f5cead7511d10...
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.