OpenTechnical

OT-2026-000054098

Publication integrity record

Foam pad vacuum gripper, 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-2026-000054098) never changes.

Identity and time

Publication numberOT-2026-000054098 · never reused
Internal UUID01a0ae85-b3a8-7dfa-a7d2-ffe32ec33cb6 · 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-2026-000054098
StatusPUBLIC

Content hashes

Canonical text0cbc66c7ae42f2c9472c3488a79e9a52f247780f207a276f1d7bef6fff92a197
Markdown26f532da4fac2b3f57e52fe266743dbad1f40640b4bb69b792a263eeafa38406
PDF
Publication pagecccac39ae291ca4722d0e1f0a89599dd80daad35a5dd59152d1e77088ae38fa5
Manifestbb00b153d896638c05d55e24802374dcad9fe973c86f4889d7e716f53cfaa157

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
SignatureGnvyvYrGxuBu+dZQMJOX2OxI4HhJtSA+Y3EDXK06gB7qOGubX1WliDPcc4f+vXxs7TQMHm5TVfSH/4WbVtIRBg==
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

2026-09-17T10:54:29.326655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054098
observed cccac39ae291ca4722d0e1f0a89599dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.307479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054098/manifest.json
observed bb00b153d896638c05d55e24802374dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.282830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054098/publication.md
observed 26f532da4fac2b3f57e52fe266743dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.193547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054098/publication.txt
observed 0cbc66c7ae42f2c9472c3488a79e9a52...
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.