OpenTechnical

OT-2026-000070970

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000070970) never changes.

Identity and time

Publication numberOT-2026-000070970 · never reused
Internal UUID01a0ae91-8c2e-70d7-ac51-df1e69e81150 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070970
StatusPUBLIC

Content hashes

Canonical textd9f4ade7a00463cb0c75b8174edc42a80f4ba491e9f822eaceb0fe027b4d2af9
Markdown093275ebdead98a7aea784af597bd669e340d5f29564ffe91b36a85d98986b73
PDF
Publication page0a01f009eebbc3948094261d71c6f8fbc40f22427eebde8e0e6b42930eba242c
Manifest663e529ccc29adb34c6edb91a3b086afed30fde43083576613960a47095457a1

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
SignatureiS9ZIssP+h23DUfIWzcWRsteiMWlPIbU/FNB9f0HNjFK5Pk2JxThY8Ej55uoGM1/hyCZ0h3D+ZQ5VDvnPW9vBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:48.606273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070970
observed 0a01f009eebbc3948094261d71c6f8fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.589005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070970/manifest.json
observed 663e529ccc29adb34c6edb91a3b086af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.571752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070970/publication.md
observed 093275ebdead98a7aea784af597bd669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.554857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070970/publication.txt
observed d9f4ade7a00463cb0c75b8174edc42a8...
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.