OpenTechnical

OT-2026-000010086

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, 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-2026-000010086) never changes.

Identity and time

Publication numberOT-2026-000010086 · never reused
Internal UUID01a0ae6b-cb7a-735a-a295-68896c6890ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010086
StatusPUBLIC

Content hashes

Canonical text848f1e6e242d57e62897a7d03c51e906d6ad0f8c62a9e74577a8fd19430deed1
Markdownf6fa0fdbceb2b7b4cd471c1fe66a950fe95dcc4dfdf27fb5974b3c8077ab00ff
PDF
Publication paged4c53c432fd7bc46a9e14dbeeff9148c2f0a1af02fae4914f75a392e08f1eb16
Manifestbcd61485c5db304e43855252f0907127dfd3017f19d28ffca99d648eaf03d09b

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
SignatureI8qdDuGMZgMVB0vzzCVvHX4A3cUhejDDKgwlHEwJAGzlimOJGfVYzPKtUaDYl8p0zfsSFVqmBewBvPpK7siVAQ==
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

2026-09-17T12:16:10.189354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010086
observed d4c53c432fd7bc46a9e14dbeeff9148c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.170517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010086/manifest.json
observed bcd61485c5db304e43855252f0907127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.150036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010086/publication.md
observed f6fa0fdbceb2b7b4cd471c1fe66a950f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:10.131011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010086/publication.txt
observed 848f1e6e242d57e62897a7d03c51e906...
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.