OpenTechnical

OT-2026-000058541

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000058541) never changes.

Identity and time

Publication numberOT-2026-000058541 · never reused
Internal UUID01a0ae88-f39b-7e66-8d5f-77155143fa36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058541
StatusPUBLIC

Content hashes

Canonical text4c884ffa16967e33e71ca2e4e5d2766e5681a58c77566f7333cd68810ad088f5
Markdown3c104ffc1a1144ab3bbcf98dfdcf71fc2310b2f556609089466f1b29aec71474
PDF
Publication page944be6a621e3dd3426741ba1eb6a5726fd36cc2ea3373e356543fc6a10a08513
Manifest8a83f7a545992bbdf6f0c2f925d019e8a0f8ae70fbd8f9b6e3026151430ec71a

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
SignatureUAQ++5E+oBpk0g27Wt2ACBbnxxzpzFeZ0+Yw9aF4T5tU/9Nf4K2EHlqal27On0T7p5EPWUI5NPpvEagjc2e9DQ==
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...

Independent retrieval

2026-09-17T10:47:00.291360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058541
observed 944be6a621e3dd3426741ba1eb6a5726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:00.275689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058541/manifest.json
observed 8a83f7a545992bbdf6f0c2f925d019e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:00.259242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058541/publication.md
observed 3c104ffc1a1144ab3bbcf98dfdcf71fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:00.241904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058541/publication.txt
observed 4c884ffa16967e33e71ca2e4e5d2766e...
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.