OpenTechnical

OT-2026-000048554

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048554) never changes.

Identity and time

Publication numberOT-2026-000048554 · never reused
Internal UUID01a0ae80-4de7-7922-84e2-d51741f56bc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048554
StatusPUBLIC

Content hashes

Canonical text6c9ec455df3158c40d751460c829eed499e72f4e34078b92c3a6be4c8b1259d7
Markdown028f2c712261a84759d23757ab28690b9ca6d3d9a6984dd058f71313458bac94
PDF
Publication pagedb26975215755017a90e39729e9e47050650512ec1f3a6e31355b6f418c8f4cb
Manifest9a873fa3ae54fac791d16e1a09ab7abc3ab741bca84783d3042d5798ab0b3f6e

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
SignatureF73a218OoBQ3vit4gtbjbINiu3luzz7ocP2vuDMK+r/t0lgVAOPffrx2Z/nb/5hRCOhFS27YMBbWg2CPxVW2BQ==
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

2026-09-17T11:05:20.995195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048554
observed db26975215755017a90e39729e9e4705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.974199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048554/manifest.json
observed 9a873fa3ae54fac791d16e1a09ab7abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.955522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048554/publication.md
observed 028f2c712261a84759d23757ab28690b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:20.934501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048554/publication.txt
observed 6c9ec455df3158c40d751460c829eed4...
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.