OpenTechnical

OT-2026-000071786

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000071786) never changes.

Identity and time

Publication numberOT-2026-000071786 · never reused
Internal UUID01a0ae92-1e91-76da-99bc-779af1331fd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071786
StatusPUBLIC

Content hashes

Canonical textfc5e26bc74704a0481b709807b83bdab3fff224d56c3d05e2899800d85fd4862
Markdownc0173322d86a953dd23d146ed062aae2fb4abec14ab8ba7448f783731b22e155
PDF
Publication pagea3d1d48f7cb5b06c786062dcaeab26556f4426466a0127148cfdab19e208e802
Manifest80fbd089a1080636681a190e3c7a3ab80d485d00cb30297b0c4f317b605fb0f0

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
SignatureP4r9s6HZniv8Yn3gLu14mmNYuDDFUFiINRDW1BwBei3PFrEzFxDYo4XD1vRmqLbJ8VtxdRoP1gyQxyRH25T+Dg==
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

2026-09-17T10:23:57.113259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071786
observed a3d1d48f7cb5b06c786062dcaeab2655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.095151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071786/manifest.json
observed 80fbd089a1080636681a190e3c7a3ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.078597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071786/publication.md
observed c0173322d86a953dd23d146ed062aae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.061398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071786/publication.txt
observed fc5e26bc74704a0481b709807b83bdab...
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.