OpenTechnical

OT-2026-000055525

Publication integrity record

Single cup vacuum gripper, common isolation valve, two 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-2026-000055525) never changes.

Identity and time

Publication numberOT-2026-000055525 · never reused
Internal UUID01a0ae86-a102-7d09-a190-13e9d2cc5c2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055525
StatusPUBLIC

Content hashes

Canonical textee589449be6a8515136081a32eacd7fe46bdfe3baf9912bc5691ab717ffda345
Markdown2d40f4eeeec449e225ba2cec6fba849b4741c5d5d113944e073e11d6012f6a72
PDF
Publication page92ea4c75c0733f41405568a112a91720bd2eb8e98680117cc36085466bf889a1
Manifest7346b38014e44d6628cb223f77e9a9fbc36f2773b8075c3ac51d9554b9015eb9

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
SignatureXIMQtIVCsZmgcIL4ToaZd+SCEv04kKuGvhTD1X0V4QE4AqagdlNUshFOpWW+2NKNJ2/prcCeOCN2pXeNqFruDA==
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

2026-09-17T10:52:12.177641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055525
observed 92ea4c75c0733f41405568a112a91720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:12.159457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055525/manifest.json
observed 7346b38014e44d6628cb223f77e9a9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:12.142007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055525/publication.md
observed 2d40f4eeeec449e225ba2cec6fba849b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:12.125005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055525/publication.txt
observed ee589449be6a8515136081a32eacd7fe...
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.