OpenTechnical

OT-2026-000048983

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000048983) never changes.

Identity and time

Publication numberOT-2026-000048983 · never reused
Internal UUID01a0ae81-134c-7f76-9073-5955b9cb75ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048983
StatusPUBLIC

Content hashes

Canonical text186bc9096febe0d1a23d3e774961759d5d27dac7e15be24b09f2e3eafa82cff3
Markdown431c95e7b8ee928756b56ee2009bc52499446df4d4dd9c202262786db8b24534
PDF
Publication paged58bdd7fcdba45b1401ed2b87a7d1930fb9a9f42a27866aceb38eebc377f1941
Manifest3682424f426aaa15164fb2c519d75683a1fb17c79a46f53b1c934c35b333de3d

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
SignatureLVdDug8dEpYdwN8W0VWWNzT4kIL2hbc8lqDyFPdTwFyn3AAtz7EXAxWk9yIEka5nHUHfJefleIT3PXAikdkhAA==
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

2026-09-17T11:03:11.213630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048983
observed d58bdd7fcdba45b1401ed2b87a7d1930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.193705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048983/manifest.json
observed 3682424f426aaa15164fb2c519d75683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.175112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048983/publication.md
observed 431c95e7b8ee928756b56ee2009bc524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.156072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048983/publication.txt
observed 186bc9096febe0d1a23d3e774961759d...
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.