OpenTechnical

OT-2026-000052631

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000052631) never changes.

Identity and time

Publication numberOT-2026-000052631 · never reused
Internal UUID01a0ae84-573b-798c-a8ef-025b9d324672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052631
StatusPUBLIC

Content hashes

Canonical text8f4b9a564f04314ee54ef6744378b9298737a947509ea5306ec18762f8a2973c
Markdownbc3692fce627ba828b69d3f864c3f7e690903864dd19d5a72037a611ee17dea3
PDF
Publication pageebf5c537e021ebbf4c220f1414e1b70020ecd10ee1d74a4db73727a273ce2d7c
Manifest839ee57ef3bb618ff49d3430d22aa7ed63edffc527492948df7aeb5742294976

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
Signature26McAcFWoNji4y/DK8wnBG1y3VERaPMviyS4qUrYaCXthSafC4KpIfu1Fzh1fTLCeQD6X/gSJzImXO2L+BQuDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:18.388052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052631
observed ebf5c537e021ebbf4c220f1414e1b700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.372259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052631/manifest.json
observed 839ee57ef3bb618ff49d3430d22aa7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.355243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052631/publication.md
observed bc3692fce627ba828b69d3f864c3f7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:18.336119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052631/publication.txt
observed 8f4b9a564f04314ee54ef6744378b929...
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.