OpenTechnical

OT-2026-000028382

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000028382) never changes.

Identity and time

Publication numberOT-2026-000028382 · never reused
Internal UUID01a0ae72-e2f5-71c3-b2ab-59787166f076 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028382
StatusPUBLIC

Content hashes

Canonical text517cb0c6b22ef2a135576db11ce754d40500a6d5917bd3086638e67564c67d6c
Markdown1e6b3a0ca40fdc90775a1874aa07fc4e6f97c4dcb1e84fed377bff70be23b53c
PDF
Publication page7b788978e26922c1041949cf163dc79355798942fc3c7c233223ed9ac4aff268
Manifeste507be76688da5fa0c85a730f1b3033e512cb2739477e148ebba91cdd25a1688

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
SignatureGpoCQPNYAZ930pp04ANM1/62HEuBaOZOIYxZ6+o7Oc2uUkIjpBM33LvaDBp3BmVqV0ED3r5Kdgi8C/0QW27LDQ==
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

2026-09-17T11:40:23.867251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028382
observed 7b788978e26922c1041949cf163dc793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.847855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028382/manifest.json
observed e507be76688da5fa0c85a730f1b3033e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.826519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028382/publication.md
observed 1e6b3a0ca40fdc90775a1874aa07fc4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.807349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028382/publication.txt
observed 517cb0c6b22ef2a135576db11ce754d4...
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.