OpenTechnical

OT-2026-000037113

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000037113) never changes.

Identity and time

Publication numberOT-2026-000037113 · never reused
Internal UUID01a0ae77-7740-72a5-b60a-a9f5b671d696 · 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-2026-000037113
StatusPUBLIC

Content hashes

Canonical textdfb778a260c166677ca76d6a64fe665538250cca9f0ed08dd0bb00b31e731e56
Markdown360d472944915890ca0d8ff93281e03a79b89b2cbb56cb53775995c2ddc42d1a
PDF
Publication page484b75a572afdfb92c4bd8cd15925c80884994b16d5dc133b98d62abe8916041
Manifest16b7f58c3ba5a86783023dc0db9da2fdeda49de58d35cbd5cb8b697db466e31c

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
SignatureQeS9Pe3317n5b/pPETLMkZPoJh2xraZQV2LBkTX6vqIH/yas4wDIf6xMKuY75MNRXPAm4Lr4ahKnPRKszwj/DQ==
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

2026-09-17T11:24:59.067480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037113
observed 484b75a572afdfb92c4bd8cd15925c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.052290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037113/manifest.json
observed 16b7f58c3ba5a86783023dc0db9da2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.036892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037113/publication.md
observed 360d472944915890ca0d8ff93281e03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.021012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037113/publication.txt
observed dfb778a260c166677ca76d6a64fe6655...
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.