OpenTechnical

OT-2026-000027003

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000027003) never changes.

Identity and time

Publication numberOT-2026-000027003 · never reused
Internal UUID01a0ae72-3453-7aa0-a937-19dbd5b8a102 · 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-2026-000027003
StatusPUBLIC

Content hashes

Canonical text01bc37c6d15a2cb241ceba97ef96692957eb3856e41a280493da0947f49ac833
Markdown01b8a1d7d977961e947714450dca62e75acff26edf4b0ece6a8d3a42fe3b3a22
PDF
Publication page7a66db03fcdc7a630c8c81daf02404d288f064122f0976b6860537cf393e6940
Manifestfa84941154a6218eb55066d9923ca4b41ce4cdca7873657afd54a03431db9b3f

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
SignatureazKqX10sKzXSPGICa1WvSZXHuE5vgC1Fr51XmUb1mw3TLJM9RdR9OanQ+6fFvFW+Ojm/IGOOISODpYjhNAFnDw==
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

2026-09-17T11:43:37.993937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027003
observed 7a66db03fcdc7a630c8c81daf02404d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.978344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027003/manifest.json
observed fa84941154a6218eb55066d9923ca4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.961673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027003/publication.md
observed 01b8a1d7d977961e947714450dca62e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:37.943572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027003/publication.txt
observed 01bc37c6d15a2cb241ceba97ef966929...
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.