OpenTechnical

OT-2026-000062646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, vented after 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-2026-000062646) never changes.

Identity and time

Publication numberOT-2026-000062646 · never reused
Internal UUID01a0ae8c-0ac2-7fa1-8853-1f54ef7ea4a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062646
StatusPUBLIC

Content hashes

Canonical text94690b39b2f8081fea2c8ae64406302f32d16f9ebf1fb7ef1406d5395f88efeb
Markdown732c19212af772276f1c0f31fc2339af09eb484b3e3905f9201fb70311e49881
PDF
Publication page0a402efcb0b955ff6e2de277128bca5b2c2e5a4d0a6c7b0026a6388f04f26d47
Manifest4f3aa32520381e93e7de5f4edda6bce388809100c91e937d106705bcaf4edee4

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
SignaturexZmR1n7KGP3QgKftaMpxcBXmg0GO3tJtGHzaOfqNYN99T78qWWojyy+JUp6T8rdrmxlzaljP0/9cvBtjlHRDBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:10.926064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062646
observed 0a402efcb0b955ff6e2de277128bca5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.901626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062646/manifest.json
observed 4f3aa32520381e93e7de5f4edda6bce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.878531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062646/publication.md
observed 732c19212af772276f1c0f31fc2339af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.857634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062646/publication.txt
observed 94690b39b2f8081fea2c8ae64406302f...
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.