OpenTechnical

OT-2026-000088907

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000088907) never changes.

Identity and time

Publication numberOT-2026-000088907 · never reused
Internal UUID01a0ae9b-8f11-7b35-a901-43b6139dd2e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088907
StatusPUBLIC

Content hashes

Canonical text6bd764f5fa67a7c53962be044d1169c5f706d5b4579290c3c472f900f87e9dd7
Markdown7633093904e78e5eefe53a71830bafebdea9948921e4524a242b4c6af68be6a4
PDF
Publication page1dd43f773814e1b7e7e5613740a5dd16544e688ca9c4cb48da01ed2173d6a2f7
Manifest02ca51c6e33dba3da5f39ecc68998e3c848a8e6a985603191be4fe2423a85592

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
SignaturehNgG1eCPJCNY4l742a+Rk8c5/cooBtvAjKJHInEItTFfNLLOmMC7N/HSSP42Y8LvOqJpPH+I9AId4m2vqlokDw==
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

2026-09-17T09:48:18.691926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088907
observed 1dd43f773814e1b7e7e5613740a5dd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.675217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088907/manifest.json
observed 02ca51c6e33dba3da5f39ecc68998e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.657674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088907/publication.md
observed 7633093904e78e5eefe53a71830bafeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.639405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088907/publication.txt
observed 6bd764f5fa67a7c53962be044d1169c5...
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.