OpenTechnical

OT-2026-000030269

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000030269) never changes.

Identity and time

Publication numberOT-2026-000030269 · never reused
Internal UUID01a0ae73-e500-7bba-99ff-1db7111d7162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030269
StatusPUBLIC

Content hashes

Canonical textcaa476371ad91c14db2b814188dedda9dde4d8f683bee3fc93cb03aa2504b255
Markdownddffe3d372190c21a14d3f5797cf0d94920fefc388a53a22b61b103c7798197b
PDF
Publication page53bb723b3f754e9eee27303699a6dea6774d7be5d2d2d0076c0b875420b3ca2c
Manifest7b68e696800bdeb46398940b823c9a50d73bdbd7584c6bee54026fa978307e27

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
SignatureE8l8nj9JrhM2MaVornpehv6pljXh820Qnf74TPwoaY5nlkNY7mtfz3pQvRPA5Sij5xtjW3pb84GaeNfHRDo/Cg==
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

2026-09-17T11:40:46.098848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269
observed 53bb723b3f754e9eee27303699a6dea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.060600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269/manifest.json
observed 7b68e696800bdeb46398940b823c9a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:46.041208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269/publication.md
observed ddffe3d372190c21a14d3f5797cf0d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:45.996073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269/publication.txt
observed caa476371ad91c14db2b814188dedda9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.991861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269
observed 53bb723b3f754e9eee27303699a6dea6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.970236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269/manifest.json
observed 7b68e696800bdeb46398940b823c9a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.951552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269/publication.md
observed ddffe3d372190c21a14d3f5797cf0d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:55.914056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030269/publication.txt
observed caa476371ad91c14db2b814188dedda9...
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.