OpenTechnical

OT-2026-000099770

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000099770) never changes.

Identity and time

Publication numberOT-2026-000099770 · never reused
Internal UUID01a0aea2-c977-783f-969f-ff347389a74b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099770
StatusPUBLIC

Content hashes

Canonical texte03ececbc2ac9ac485ad43838151b8748197d855586809a73057153cd87e15e4
Markdown990a141771f4a4d9f5c1cfa568a7e7436d86b2c8e65c74a94fe106d1ec05f278
PDF
Publication pagee8c61b6652af7fee5df430c09648bb8acbd1effe5986418fbf3fecca5d778378
Manifest2c5b53d2970d9ab8fdaa4e7bb65db4904c15ed81d46419320e853a9f8394c80e

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
SignatureLbBz+t36cgXm6DWAlBdIMTSJt2OQOL2pgsd3EMFFFDBk1N5LT65WFPDNYeExPRQF/Jh8nTnoATb/AL+XKF9gBg==
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

2026-09-17T09:29:48.139796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099770
observed e8c61b6652af7fee5df430c09648bb8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.122029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099770/manifest.json
observed 2c5b53d2970d9ab8fdaa4e7bb65db490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.105586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099770/publication.md
observed 990a141771f4a4d9f5c1cfa568a7e743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.088534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099770/publication.txt
observed e03ececbc2ac9ac485ad43838151b874...
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.