OpenTechnical

OT-2026-000007704

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000007704) never changes.

Identity and time

Publication numberOT-2026-000007704 · never reused
Internal UUID01a0ae62-843e-7a7b-b399-0f4a9d347a31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007704
StatusPUBLIC

Content hashes

Canonical textf979bbf47f3a562264cbb20dba7c096f6f3e42bc302e6694f2987574a9c2f2f8
Markdown0f5da24ba76b2882b78bc965d08caf3de385d7dd1a321180ed0cd077c2d61356
PDF
Publication page6cd7df60ac6941f3c3cdb790951810a99f19352ff4f1af367a1fb68d3f36be7a
Manifest2b5eaeebb8efa28f03ed73b39bde9506eb33e47bfd52c947a22b78a0d247366b

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
SignaturecifNnIML8SEXlHSmg2wJK0rTpcPpoRDwQw8kWRoXLrNAT+6DDXXbapjAh4hwIIfNoeECOywcxm2K7ta/4ixTDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:05.237789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007704
observed 6cd7df60ac6941f3c3cdb790951810a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:05.221351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007704/manifest.json
observed 2b5eaeebb8efa28f03ed73b39bde9506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:05.204295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007704/publication.md
observed 0f5da24ba76b2882b78bc965d08caf3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:05.185972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007704/publication.txt
observed f979bbf47f3a562264cbb20dba7c096f...
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.