OpenTechnical

OT-2026-000059652

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000059652) never changes.

Identity and time

Publication numberOT-2026-000059652 · never reused
Internal UUID01a0ae89-ec24-7805-80ac-75d7f70bf0af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059652
StatusPUBLIC

Content hashes

Canonical text3f8e50929b901d7b8488b7cf56584488371b5cceff010a7578c25156ed6cd9c2
Markdownb5cae82eb6a7550994b6085f875015e440cacbd19149894bdc55c9fc4e60fd91
PDF
Publication page03a34d9f1f4a9641af97e9ce5627c38c90615ccce02e4149a76d3f615ed05f6f
Manifest3c6c579fe0f8528edefd013cbd9ac69cada8ed4f1253c4bc020e4e1702de61aa

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
SignatureQw3yXbG73wrK/DrljdWMcAVMdskgYX9cRcdNcud6GiXwH3w4cjAGPE3fRFvd9oGzNg/oXbrfzDvtR78Ro7/rCw==
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...

Independent retrieval

2026-09-17T10:44:20.918912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059652
observed 03a34d9f1f4a9641af97e9ce5627c38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.898345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059652/manifest.json
observed 3c6c579fe0f8528edefd013cbd9ac69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.876448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059652/publication.md
observed b5cae82eb6a7550994b6085f875015e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.858770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059652/publication.txt
observed 3f8e50929b901d7b8488b7cf56584488...
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.