OpenTechnical

OT-2026-000044049

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044049) never changes.

Identity and time

Publication numberOT-2026-000044049 · never reused
Internal UUID01a0ae7b-d679-7f6d-a797-f1c80a1c3dcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044049
StatusPUBLIC

Content hashes

Canonical text5d7a1e572f46acd8387a097e376850dcfe9f9d25ce79ad9aa7e4a5b949d70128
Markdownef544f096bb346dba557b849daf1f912632bd1387f6fde26182409133ae10d5f
PDF
Publication pagea98785c254f19d8e9f6231687292b12fd27a0a4467827118d8d64bbce8378935
Manifest2b4905e1dca02ad44e280af9004cca70ca1c8b0e029450300c98b13f60fca4c7

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
Signaturew5/ndpBa0Lk1lmMOTQvn2+e4BfEGthCfR2ZMd2zGze96bSnFI8eVxPr7vtn8YrYKEIjgxHYsy5c4KWiTjSfTCQ==
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

2026-09-17T11:12:26.565209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044049
observed a98785c254f19d8e9f6231687292b12f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.546027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044049/manifest.json
observed 2b4905e1dca02ad44e280af9004cca70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.527270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044049/publication.md
observed ef544f096bb346dba557b849daf1f912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:26.511300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044049/publication.txt
observed 5d7a1e572f46acd8387a097e376850dc...
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.