OpenTechnical

OT-2026-000026501

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000026501) never changes.

Identity and time

Publication numberOT-2026-000026501 · never reused
Internal UUID01a0ae71-f4a8-7d3a-8ba4-bb69c7951f56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026501
StatusPUBLIC

Content hashes

Canonical text0853521c1d297bae010c9b9e03a841e6d4b4f2bd4fc3527655b4b2beb22ceb5d
Markdowndf7c34fe26bfd412ed13004ca57130542da06accc7ef61ae5b0ef85fdb3e8c7c
PDF
Publication page4c855d93d7083c431571866d97e342499d93d26edecf82ad3c53a4d2fb296303
Manifest4732ca58f5a902e4b0cbbd20b60f4995d4967b45b4ca065f054ca44c84b11b07

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
SignatureKEdLpbHdjZuxHEGCnMomESmv0XPvORWGSHeFCN/s0kjPpZakzvWQfWFxegR3upyxkxu+rDo86PYBCDFX9SRiDg==
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

2026-09-17T11:44:37.461915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026501
observed 4c855d93d7083c431571866d97e34249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.443050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026501/manifest.json
observed 4732ca58f5a902e4b0cbbd20b60f4995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.415872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026501/publication.md
observed df7c34fe26bfd412ed13004ca5713054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.366068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026501/publication.txt
observed 0853521c1d297bae010c9b9e03a841e6...
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.