OpenTechnical

OT-2026-000095803

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000095803) never changes.

Identity and time

Publication numberOT-2026-000095803 · never reused
Internal UUID01a0ae9f-fac6-7623-82f3-eafade2b9a3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095803
StatusPUBLIC

Content hashes

Canonical textc49e2c0864129fba2ff165751f89bbc5ff360fd4b8e4e39615e67e0353b9d493
Markdown9c636d5b6550e7967fb8056dba2944b31b07354162cc4202d3258d48be8b0068
PDF
Publication page6d9b6dff1d549bb6cb0f3ab625e3d19537ce4c3fbbbd093c22ea51d7b17b23a1
Manifest1627e6288bd8dc13c686db17f977b2974a3d79dcfc57b843879615ae8fd59959

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
SignatureJrXNAkPWeYdfT/EpmJUMp8oWpsGQyDgaI3c9Zm3SFVuR2Pid3fqePeOes+wA9DBx/8OoHdKvE1p0SdRQ8lhFCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:52.661782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095803
observed 6d9b6dff1d549bb6cb0f3ab625e3d195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.644887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095803/manifest.json
observed 1627e6288bd8dc13c686db17f977b297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.628163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095803/publication.md
observed 9c636d5b6550e7967fb8056dba2944b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.610821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095803/publication.txt
observed c49e2c0864129fba2ff165751f89bbc5...
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.