OpenTechnical

OT-2026-000012236

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012236) never changes.

Identity and time

Publication numberOT-2026-000012236 · never reused
Internal UUID01a0ae6d-39f5-770d-82ea-cb295c7281fc · 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-2026-000012236
StatusPUBLIC

Content hashes

Canonical text4a7693d979e32209d308efab000a0368827698b7d82bd036154d0da9fa874cf9
Markdown214451c035f49aead941115c982fc236c307731e88eb936b4cd3baeac7ebfab2
PDF
Publication page62af25c4ac030d4faf87a98f756498e9cb6c586e2ec5d879b681686dba77a212
Manifest0441130155f4e9f5632d9c09d41c3677d69bd8915011e05e930b755ea50703e3

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
SignatureJLjVVliQM7vQOcDZnvP89/6TV50q0/TgV1E/YD5Hgfjk9bPlHJoxaU4pmL8yu45gj7jtmz8eh82kjWR2uquFAQ==
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

2026-09-17T12:11:09.699712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012236
observed 62af25c4ac030d4faf87a98f756498e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.679728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012236/manifest.json
observed 0441130155f4e9f5632d9c09d41c3677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.661737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012236/publication.md
observed 214451c035f49aead941115c982fc236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.643569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012236/publication.txt
observed 4a7693d979e32209d308efab000a0368...
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.