OpenTechnical

OT-2026-000081837

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, sustained 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-2026-000081837) never changes.

Identity and time

Publication numberOT-2026-000081837 · never reused
Internal UUID01a0ae97-0f75-7a31-8662-c227bc1cb0b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081837
StatusPUBLIC

Content hashes

Canonical text8593f4795b66444f46e8adece628710cd371f79ad441d26b3986c2b3c790fc26
Markdown0a18c14665a2de3741a3c4a5aba69da561e47c8a13925adb973822bdf7b2ead2
PDF
Publication page3183f3c8996ae7d1e246e9e88c3de1eb32239df4c2a05e584045c5c75d5eb11d
Manifestc268ee9d1b6f8643fe22d7883160a000a0cf19ce40b937b46c7da0853a1f6593

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
SignatureR/9BoJk5cnMFPrC7I+fmp1/4CT8kDHTdfNAhGRfF75UQK0pJIfkIpim/QLSMpJgjeoPq+s2kwRArgP1mNwkKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:56.955999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081837
observed 3183f3c8996ae7d1e246e9e88c3de1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.938763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081837/manifest.json
observed c268ee9d1b6f8643fe22d7883160a000...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.919709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081837/publication.md
observed 0a18c14665a2de3741a3c4a5aba69da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.900061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081837/publication.txt
observed 8593f4795b66444f46e8adece628710c...
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.