OpenTechnical

OT-2026-000043566

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after set-down

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-2026-000043566) never changes.

Identity and time

Publication numberOT-2026-000043566 · never reused
Internal UUID01a0ae7b-92cf-7d26-ac1a-98533305a25a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043566
StatusPUBLIC

Content hashes

Canonical text512ebd894ff0492cc8ad7ea9d84aa01ce59d078ef356395f19924721960d170f
Markdown095b2a8adf9aaa434e73998e193e0ad20d378a04ce61ba9e4982e1158b555fee
PDF
Publication page2851094dc6c7d47034c208e237d14f0720929fe98fda6f97123b2dccd49d28b9
Manifestbee892b99f000f2848aae0e0f93031f575a70d6c0b6a84d10049bb1e7e01a029

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
SignatureIwyDLp+Zw4pPQVPhFzjwGxI0bG7cni7ELwNrG2sLkSEeYD4jP6AmIwEy1nkhvjd6z65pxp1mjYcaemSL0xRqDg==
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

2026-09-17T16:41:51.238711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566
observed 2851094dc6c7d47034c208e237d14f07...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:51.139260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566/manifest.json
observed bee892b99f000f2848aae0e0f93031f5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:50.994833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566/publication.md
observed 095b2a8adf9aaa434e73998e193e0ad2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:50.861375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566/publication.txt
observed 512ebd894ff0492cc8ad7ea9d84aa01c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.585300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566
observed 2851094dc6c7d47034c208e237d14f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.564136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566/manifest.json
observed bee892b99f000f2848aae0e0f93031f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.543811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566/publication.md
observed 095b2a8adf9aaa434e73998e193e0ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.520775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043566/publication.txt
observed 512ebd894ff0492cc8ad7ea9d84aa01c...
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.