OpenTechnical

OT-2026-000029652

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000029652) never changes.

Identity and time

Publication numberOT-2026-000029652 · never reused
Internal UUID01a0ae73-5e23-7515-b14b-9a4cc2441a12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029652
StatusPUBLIC

Content hashes

Canonical textcfe077a40316e7012addc1963bc2a8a2df4bfb2ccecdb58a1b3c396f10eb057c
Markdown176184655ab03a433c8943341943446c7ddbbb5da9880dffd595db35b72d2541
PDF
Publication pagef6e7d64bf50f55ac1c864427cab640123c53abbb59a2ce95f5bc6c0ef25fd7ad
Manifesteb021d3f3cc3508931208b182cb94585b37775fd9021dd78fcb64c2b0fea2b34

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
Signature4AGGffFEMwPcLS/8dwbg5PwS2oqmzZaHjZmrMefnEJ8rl7wgNRrYXeX3dQi7RbdHyX9sAhZP0VYhAyiE56aFBQ==
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

2026-09-17T11:39:22.077656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029652
observed f6e7d64bf50f55ac1c864427cab64012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.061044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029652/manifest.json
observed eb021d3f3cc3508931208b182cb94585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.043241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029652/publication.md
observed 176184655ab03a433c8943341943446c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:22.025626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029652/publication.txt
observed cfe077a40316e7012addc1963bc2a8a2...
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.