OpenTechnical

OT-2026-000049157

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000049157) never changes.

Identity and time

Publication numberOT-2026-000049157 · never reused
Internal UUID01a0ae81-134e-74eb-aee8-4428ecabf677 · 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-2026-000049157
StatusPUBLIC

Content hashes

Canonical text0e45f24ab374a99572856866d24293af1e3ea705e292f5a33f7c94f61cb488f0
Markdownf090398808843c1e6ce305692d2f18c84d443582352b8b9a482d637496bf9727
PDF
Publication paged0969001fd55f4e04e8568ee760f4146fabd891bb3825ecd5d9e985f04250d99
Manifest42fccb0fedc683f4d00ed24a90b81882500f7da2bae3373a8fd0693082b5288f

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
SignaturemmB4gTTPF9crNCYkaQlhY0ZClATfjytiZvYicsG4HFW3phyGXR7UiULalVNuJGgrPKomokq/O3LcUA90tQt2Bg==
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

2026-09-17T11:03:57.145001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049157
observed d0969001fd55f4e04e8568ee760f4146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.124639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049157/manifest.json
observed 42fccb0fedc683f4d00ed24a90b81882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.104730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049157/publication.md
observed f090398808843c1e6ce305692d2f18c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:57.085712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049157/publication.txt
observed 0e45f24ab374a99572856866d24293af...
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.