OpenTechnical

OT-2026-000054574

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000054574) never changes.

Identity and time

Publication numberOT-2026-000054574 · never reused
Internal UUID01a0ae86-1283-7f71-96fe-ef85ba66f870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054574
StatusPUBLIC

Content hashes

Canonical text89b444eb9fb3ffea971f131648a7b0dcca6f1e310feee79c8baf45ad4e1505fc
Markdown982718584bcc86aad744b3010fdb9c1783478a721848703867a9b5dc187920c5
PDF
Publication page196f32d0e7f75744a64336ee6f3d2448120f0ce4cc69246215a40b23bbbce8de
Manifest4705ca02304d6bec61ea9d1c8f20e139e897a8ddcd576aa16185f6f00a0fe93a

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
SignatureLSTY686pfLS0r5Wc7Bl8f0Efbi7ZHofGFZSygpjL7YxnhvdvGG2ehhJ31ZCc5DaBrVywhGUfYczdD80Dlc8pBg==
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

2026-09-17T10:53:37.367548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054574
observed 196f32d0e7f75744a64336ee6f3d2448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.351053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054574/manifest.json
observed 4705ca02304d6bec61ea9d1c8f20e139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.334186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054574/publication.md
observed 982718584bcc86aad744b3010fdb9c17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:37.317052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054574/publication.txt
observed 89b444eb9fb3ffea971f131648a7b0dc...
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.