OpenTechnical

OT-2026-000033652

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000033652) never changes.

Identity and time

Publication numberOT-2026-000033652 · never reused
Internal UUID01a0ae75-a390-738a-8f0e-4096465ee790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033652
StatusPUBLIC

Content hashes

Canonical text0741ebed54ff1df85965e68f27231382fc09780b405a750437fd8319198aaa51
Markdown7f4689a64fcbe5f84304df02174b56d8cd3390273ceb5f21848f2bd5e1765eb6
PDF
Publication page024ad50423f8e1c877bf0d1732b8473b0c647132c73f439c72494d18e6e73ac7
Manifest3775d727759a23eb969d9a4f7110ebe753f8a4c36848a4375675e49745dea32c

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
Signature0seL8CH+AUmhrb25OUvF0MCdqFoIz+HdHVSE5HxySt3sS+cm8F34X60FcBBsJJTRtQ2LHa47t8CdmJK6ZSu3Cw==
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

2026-09-17T11:31:38.202153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033652
observed 024ad50423f8e1c877bf0d1732b8473b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.181194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033652/manifest.json
observed 3775d727759a23eb969d9a4f7110ebe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.161941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033652/publication.md
observed 7f4689a64fcbe5f84304df02174b56d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:38.145345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033652/publication.txt
observed 0741ebed54ff1df85965e68f27231382...
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.