OpenTechnical

OT-2026-000026941

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000026941) never changes.

Identity and time

Publication numberOT-2026-000026941 · never reused
Internal UUID01a0ae72-3452-79ab-9ce4-93da763e3479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026941
StatusPUBLIC

Content hashes

Canonical text24eb9df035607040cc5d43a4ca3f39bc4340bbae872a9f40143a851a0941470a
Markdown4232071bf76e90a19e4c4a520622f3d1b338fa6b5d21f84bf6861953f8b98fa4
PDF
Publication pagea363b817413e7ec352ca2bc9083734963f6619fa27f52bcbb2798b577fbb1ff0
Manifest8c542c83e8ee7b264517b358fb7b4d17f8ede6be96c7e59d82c91500b3f0f428

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
Signature7qqyAeT54KJOx2XupfMUjMgpGZHXBGGfjclqVJjfXVWcsVF9reu13xGtTnGNAzqEojUBSSjX5UBKq1KUVhJyBg==
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

2026-09-17T11:43:33.572141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026941
observed a363b817413e7ec352ca2bc908373496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.556675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026941/manifest.json
observed 8c542c83e8ee7b264517b358fb7b4d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.540601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026941/publication.md
observed 4232071bf76e90a19e4c4a520622f3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:33.525549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026941/publication.txt
observed 24eb9df035607040cc5d43a4ca3f39bc...
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.