OpenTechnical

OT-2026-000097484

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000097484) never changes.

Identity and time

Publication numberOT-2026-000097484 · never reused
Internal UUID01a0aea1-55b3-779d-a38b-7927ee5d1e73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097484
StatusPUBLIC

Content hashes

Canonical text1a4f73af35161e0c6a4b1a39062b07bfe9ba73ccc8b3cdcf047b6779b6beb6d8
Markdowncc115677001a835e812cc270e75e36705030a2019775e6b83c2f311b015964bd
PDF
Publication page517e8af8dd2fa6373ca38111ed3014284ef30c465ecec39ec5a2cf9953bc5975
Manifest888be393fb7b63a8800d126eda2d12c096ebb0fb83ce61e861e16987a951f667

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
Signaturem41DBpTQMTEE8rJa9HZEtARsnquG35BqeuOefx5TGpEKeqoizVa4grKNn8fh8IWkqi5RzIEE21guue8B1V9CDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:21.307266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097484
observed 517e8af8dd2fa6373ca38111ed301428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.290067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097484/manifest.json
observed 888be393fb7b63a8800d126eda2d12c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.273685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097484/publication.md
observed cc115677001a835e812cc270e75e3670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:21.257368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097484/publication.txt
observed 1a4f73af35161e0c6a4b1a39062b07bf...
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.