OpenTechnical

OT-2026-000049274

Publication integrity record

Two pad foam vacuum gripper, two 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-2026-000049274) never changes.

Identity and time

Publication numberOT-2026-000049274 · never reused
Internal UUID01a0ae81-134f-7fb8-b7d1-43a857c4b31c · 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-2026-000049274
StatusPUBLIC

Content hashes

Canonical text891e690a13fe678cc7738632a4f01d4b0a0075c2d16721e214a61a7cbb461229
Markdown2e4ee9afd484e7a5ed8e3f4cc11baf7348540ecac4f82d6b6856135ec46e3157
PDF
Publication pagec52634e7719647f9c1320efa5a2e6e12874d8c8f3210debedd24975268771d51
Manifest79993d85826170acb5799ca014bd26ca2588d2c35203f4073e7a1d16f25bafe7

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
SignatureEtahoX0bZk02V7uLhvh5fn66dvFTvfCDn3aDrc39tXtjBu6rTwfuRcKku9twjE2KZeUbMAS0Mn67e9q4NO8DDA==
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

2026-09-17T11:04:07.764871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049274
observed c52634e7719647f9c1320efa5a2e6e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.745822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049274/manifest.json
observed 79993d85826170acb5799ca014bd26ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.726133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049274/publication.md
observed 2e4ee9afd484e7a5ed8e3f4cc11baf73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:07.708315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049274/publication.txt
observed 891e690a13fe678cc7738632a4f01d4b...
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.