OpenTechnical

OT-2026-000049340

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000049340) never changes.

Identity and time

Publication numberOT-2026-000049340 · never reused
Internal UUID01a0ae81-1350-75e4-9f2d-325b5b01acd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049340
StatusPUBLIC

Content hashes

Canonical text9404a4c10009d9fc7302f41dd3b78c145ba4a99f91e648cc67001397c6836c2a
Markdownfa78b049c958568e76009c7dd5a8900955a270e2ce0270799bc4fbac116b5bea
PDF
Publication pagefe8680209ebb9e236bc2bbf7a122ad911c580634951464d5448be8b0a198eb3b
Manifest93bc2b7f36a89c9f673f7c0ca8c1d7cb821f4b494f158728f15e36f522fd3307

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
SignatureKENC28JbXFv04rXdsVhxNrYEUOizpC5G7KYKf0Zj8ShbcYGPVFRGTXiNkWFxgPd0BHNPq2GzLiVzux947zQICA==
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

2026-09-17T11:04:13.273346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049340
observed fe8680209ebb9e236bc2bbf7a122ad91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.254798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049340/manifest.json
observed 93bc2b7f36a89c9f673f7c0ca8c1d7cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.238115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049340/publication.md
observed fa78b049c958568e76009c7dd5a89009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.218523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049340/publication.txt
observed 9404a4c10009d9fc7302f41dd3b78c14...
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.