OpenTechnical

OT-2026-000100879

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100879) never changes.

Identity and time

Publication numberOT-2026-000100879 · never reused
Internal UUID01a0aea3-c376-74a8-9346-1144d13ea455 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100879
StatusPUBLIC

Content hashes

Canonical text9ed21b8908514547e9f094fdffcc797b56bc04f9ee65cb2ababd94e7271742a3
Markdown565929e73a04250d9599d29d06b4edbc706268b08699b6e316e5d2d8746a36e2
PDF
Publication page9f03e2c5e33733ee43130f836a35fcf6ae2c141122777b46a0ab0f4ad1c369fa
Manifestd518ad4a689439f7cd784b9b69a121d62ddab729c3dc67d160dac5ac820bb530

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
SignatureNOhQofnVMkhmLeNxVA1ITFT0TqDEcDM1Pa/PMMg5idL4f5he/10oG284nkGaZKcebdtSgxp8jCxt1QnuoQnrAQ==
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

2026-09-17T09:26:22.110033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100879
observed 9f03e2c5e33733ee43130f836a35fcf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.092954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100879/manifest.json
observed d518ad4a689439f7cd784b9b69a121d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.075536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100879/publication.md
observed 565929e73a04250d9599d29d06b4edbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.056911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100879/publication.txt
observed 9ed21b8908514547e9f094fdffcc797b...
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.