OpenTechnical

OT-2026-000102539

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000102539) never changes.

Identity and time

Publication numberOT-2026-000102539 · never reused
Internal UUID01a0aea4-858a-7fcf-b91f-91846cae66e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102539
StatusPUBLIC

Content hashes

Canonical textc801182e81902c917af40b193eb570a2af3112cd1870f70745c699fe0728209a
Markdownce600b9aa1b0023f6f2df415a9a3d6b6b26a2d37e25ceaf7cbdeda9b585a5b06
PDF
Publication page3144e50538c0c97a1545cf1e7095bbcf38fcc717161ba4e0594b22fc7b16eaa9
Manifesta88eed15c9fe01fd5a351131fcef83b4a6f720a10d6edcae1783c9d0555dae25

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
SignaturegBgp4KQPf7T3ELKAE3sZOEZEMB1Dthk5IjaxGyMoCbpAhL4K41DQk/iUsHmiJThQJ6yMXaQIByfoIUL3TttPAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:00.776920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102539
observed 3144e50538c0c97a1545cf1e7095bbcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:00.759027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102539/manifest.json
observed a88eed15c9fe01fd5a351131fcef83b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:00.739940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102539/publication.md
observed ce600b9aa1b0023f6f2df415a9a3d6b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:00.718353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102539/publication.txt
observed c801182e81902c917af40b193eb570a2...
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.