OpenTechnical

OT-2026-000037231

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000037231) never changes.

Identity and time

Publication numberOT-2026-000037231 · never reused
Internal UUID01a0ae77-7741-7473-a730-f47d838e8a57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037231
StatusPUBLIC

Content hashes

Canonical textdfd57571f07bf82d542cf1b4e26d9bbbde36326d577728f84764e426d0330987
Markdown8c91915128b12bf22737a1c52cf54146050c8572fdf735b5be5776fc63327e1f
PDF
Publication page45878cae8a421f5122ef4d4e79ed821baf17cd558cbef90fc644201ddf18a9e4
Manifestf7cf29bd323816d4ae6e37b0c65c9ec8c39507f91c27459e5a8986e1b1905105

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
SignatureLHhCyVHgRfme+Mc5Ugt/KVeVSG5lL1X5oJ8eyBQ1M+J73oBOYtmCsAlkdAeqhpf6vz0kimSifmFxAvBaJ00wCg==
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

2026-09-17T11:25:07.623161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037231
observed 45878cae8a421f5122ef4d4e79ed821b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.605684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037231/manifest.json
observed f7cf29bd323816d4ae6e37b0c65c9ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.586379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037231/publication.md
observed 8c91915128b12bf22737a1c52cf54146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:07.568447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037231/publication.txt
observed dfd57571f07bf82d542cf1b4e26d9bbb...
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.