OpenTechnical

OT-2026-000049245

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000049245) never changes.

Identity and time

Publication numberOT-2026-000049245 · never reused
Internal UUID01a0ae81-134f-7c11-b620-d579e58cd86d · 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-2026-000049245
StatusPUBLIC

Content hashes

Canonical text6a1ecac32e85506f4822867e9d90f15adbd486cd718524e6a10b2b202ded1045
Markdowne61e5e023e0f7f520e6247a4dfd7bf01e9062a48e2f57bb5c75af4a0d72d4f17
PDF
Publication pagebbbefb48fdb1c3e5f318f90584fc714d9e76cd8fa9dd6337684251258ba69a92
Manifest990bbd37b39bbf21c1d527a2e065cd47c4557af8ab801cd65a90ae263fda2031

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
SignatureJG8aFelhFPPhAOHlCvVMwTc2IQZ1+92xW5MW4eRcitcbOAufjQ4g7Jx+4jInp9PC0CI5lOixKJAydbD4jy+KAQ==
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

2026-09-17T11:04:04.553813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049245
observed bbbefb48fdb1c3e5f318f90584fc714d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.534877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049245/manifest.json
observed 990bbd37b39bbf21c1d527a2e065cd47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.515495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049245/publication.md
observed e61e5e023e0f7f520e6247a4dfd7bf01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.497458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049245/publication.txt
observed 6a1ecac32e85506f4822867e9d90f15a...
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.