OpenTechnical

OT-2026-000056990

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before 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-2026-000056990) never changes.

Identity and time

Publication numberOT-2026-000056990 · never reused
Internal UUID01a0ae87-d5b5-7075-8631-0a8d5e530df5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056990
StatusPUBLIC

Content hashes

Canonical text54461a524af043c8cd5e0841808018a6469d3352b708864119547f25ffc29d70
Markdown1640cbc2971004c6704b671db4f6e16cbf7bc25e8761e0f1ccf734bc93457ed4
PDF
Publication pagefe09f30bdecc66ba8351ba231f52fedda2bbce14143047257b29fd95d1201b72
Manifestbf73baeeb93e2fca5aaefc284a44c3ef907d4f16344b0d1d902dba7f43661a67

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
SignatureemOzhuw9KoHH/mWfNRYNg1xAWS920p5Jiw/AmY8SavwqF8DQZytd9Gpg2EFTqcvokhbPaOcqarj3x+OLIgdnAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:27.644000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056990
observed fe09f30bdecc66ba8351ba231f52fedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.629329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056990/manifest.json
observed bf73baeeb93e2fca5aaefc284a44c3ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.611451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056990/publication.md
observed 1640cbc2971004c6704b671db4f6e16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.591080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056990/publication.txt
observed 54461a524af043c8cd5e0841808018a6...
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.