OpenTechnical

OT-2026-000060004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000060004) never changes.

Identity and time

Publication numberOT-2026-000060004 · never reused
Internal UUID01a0ae89-ec27-70c4-a3e3-6ce0dcae54a0 · 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-2026-000060004
StatusPUBLIC

Content hashes

Canonical text84e8df5002663a7faea6efbabafc472bf09cabb4796a002884baeab5f652ea7b
Markdown603fea49aa512318a4b1eed9901ffc94a5d47e859c968e1c348a96bea1686ffd
PDF
Publication page18c91bb9abbb42b0a56b2e78dc20619384154b3c9200c704441712b7a56392fe
Manifest7b7b7570cb1a3660f977b659c34d32c6627f12fd67a06f674cc715961234748c

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
Signature0g9I89S3JhbS/67wWOcV/lXu0q3lNl5rx4LFqBAT0Sh5xZbXxNzGSPUyh4MnVl2eX+Y6wU7pqzYJYUFsB/AiBg==
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

2026-09-17T10:44:47.946442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060004
observed 18c91bb9abbb42b0a56b2e78dc206193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:47.929842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060004/manifest.json
observed 7b7b7570cb1a3660f977b659c34d32c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:47.911503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060004/publication.md
observed 603fea49aa512318a4b1eed9901ffc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:47.894247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060004/publication.txt
observed 84e8df5002663a7faea6efbabafc472b...
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.