OpenTechnical

OT-2026-000089519

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold 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-2026-000089519) never changes.

Identity and time

Publication numberOT-2026-000089519 · never reused
Internal UUID01a0ae9b-db02-7773-a364-0b147eafa938 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089519
StatusPUBLIC

Content hashes

Canonical texte14822741936da2c686b6dd284cf2f3ee9f9869af11a54dbac88677e319d4bff
Markdowna1b2b47e7c7e715a749014b7b89be38ddeb13be48519c5d09381759310651683
PDF
Publication pagea7ffbcd4d3bac1e4121018b7a3f96e52567325715d78bd12484d2f028cd9f7cc
Manifestc810dc137fbb2376aa013c4166d8e626a2f5298c4549499313df86cb3edcaed1

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
Signaturep8KanTMADLz4ppGaZvji/HCyHyyNOC+bAgPTavOfE1WA7uH8QLUU6P4SGiug1i+HmRoWV+A6Sc7LQZqZLGNjBA==
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

2026-09-17T09:47:40.588435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089519
observed a7ffbcd4d3bac1e4121018b7a3f96e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.571657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089519/manifest.json
observed c810dc137fbb2376aa013c4166d8e626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.553604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089519/publication.md
observed a1b2b47e7c7e715a749014b7b89be38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:40.536295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089519/publication.txt
observed e14822741936da2c686b6dd284cf2f3e...
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.