OpenTechnical

OT-2026-000049070

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049070) never changes.

Identity and time

Publication numberOT-2026-000049070 · never reused
Internal UUID01a0ae81-134d-7868-93c0-a77109bb818c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049070
StatusPUBLIC

Content hashes

Canonical text0a0834027f4b1ab3921f8111eed691dae2cb8d8aee56358282c5b699f5c5d9e8
Markdown1fb8b3a3cf663095c3f6b3ba4d5cc7e49b535551725d37fea6290d8d40ce1d72
PDF
Publication page3280f52629131fd77b0bc4c179996db6e9cd9b021b4708faa3ada5af8d0c9da7
Manifestee089f67764d06f511c9cc545d83883bba100cc3f9a47a413e23d17849a078b0

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
Signatureev0od8d6wtivc6lme4mfB7uNajElhKZnWGyO4JLGbS1BWC+40nybn6Oqmv6EMwae6i1Zk83cL3vT/fb0BAjQDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:03:18.475670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049070
observed 3280f52629131fd77b0bc4c179996db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.455840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049070/manifest.json
observed ee089f67764d06f511c9cc545d83883b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.435966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049070/publication.md
observed 1fb8b3a3cf663095c3f6b3ba4d5cc7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:18.415335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049070/publication.txt
observed 0a0834027f4b1ab3921f8111eed691da...
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.