OpenTechnical

OT-2026-000059764

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000059764) never changes.

Identity and time

Publication numberOT-2026-000059764 · never reused
Internal UUID01a0ae89-ec25-763a-bee9-688a2c83a9e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059764
StatusPUBLIC

Content hashes

Canonical texta509c00bcd4ad599e981d89e4fa77d9afa9083bff41388ea5d0f2b850e4aceb9
Markdownc9f77c2cdfacc70c62e274bbd404a05e7ccac4665bfe2caad1f07ef3d8fe3a39
PDF
Publication page3393943479dde2d4c7b106066107cd04f24c3f19eb483b8a43f2da592e949177
Manifest02b0de94f070a2786a191183a0bcada78d45e5b00fff699a1e294682dc96c2f9

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
Signature775aiTP9QMspKFb7xeVxjxauwkYwxn6b6J7NpC0qd+HYfV0o5eajgeiePH2JyTVjOb5TEDXf3+oGE9GR1s9UBQ==
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...

Independent retrieval

2026-10-14T00:41:09.359046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764
observed 3393943479dde2d4c7b106066107cd04...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T00:41:09.284642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764/manifest.json
observed 02b0de94f070a2786a191183a0bcada7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T00:41:09.205660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764/publication.md
observed c9f77c2cdfacc70c62e274bbd404a05e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T00:41:09.066884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764/publication.txt
observed a509c00bcd4ad599e981d89e4fa77d9a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.490361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764
observed 3393943479dde2d4c7b106066107cd04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.473640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764/manifest.json
observed 02b0de94f070a2786a191183a0bcada7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.456636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764/publication.md
observed c9f77c2cdfacc70c62e274bbd404a05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:29.439397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059764/publication.txt
observed a509c00bcd4ad599e981d89e4fa77d9a...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent