OpenTechnical

OT-2026-000054062

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000054062) never changes.

Identity and time

Publication numberOT-2026-000054062 · never reused
Internal UUID01a0ae85-b3a7-7b8d-8ea5-e16783c16c48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054062
StatusPUBLIC

Content hashes

Canonical text9ad930b72aa7232f4e2dc9b2016ed4983a353cf7e276472995d6bd61b704aead
Markdown8f16ac65bd76e5f909810d4e38fac0a482878ac1f51a817f4234444816436a3f
PDF
Publication page0ad0e7fccdd97bcf0e83ff718dadb655fbc574d5d70256fa0677b93acb5adfd1
Manifest2b8399dcc2350baddff427b7d11908f48e5b0fd46bea1b3bbb47f7998b1f1136

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
SignatureCXRyCWkzph7QUeMDp95Qp90qr3kIkUPHpXtx0L0KL35uLS+VNsBC5rViylJ5QC3iyB4Kfa5ywqAFy9XVcidFAg==
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

2026-09-17T10:54:26.257604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054062
observed 0ad0e7fccdd97bcf0e83ff718dadb655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.237136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054062/manifest.json
observed 2b8399dcc2350baddff427b7d11908f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.219796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054062/publication.md
observed 8f16ac65bd76e5f909810d4e38fac0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.201028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054062/publication.txt
observed 9ad930b72aa7232f4e2dc9b2016ed498...
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.