OpenTechnical

OT-2026-000031085

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000031085) never changes.

Identity and time

Publication numberOT-2026-000031085 · never reused
Internal UUID01a0ae74-3fb8-7b58-bd56-dc5c0a1ad157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031085
StatusPUBLIC

Content hashes

Canonical textd8985737df8eeb99fdb1c4434440ddee4339d4a4b391d5a60214dd766b5d4596
Markdownef607babfbb2ff1592d7bf13293088cd9eaa9209047836f1bcc8e7dc2e073838
PDF
Publication pageda4e32eb0b24d74add819b59b464d1df14e4c3c1775020acd7504b939e76f1b1
Manifest7e4d2b5d63db62b53000900a1557e187accbcd299f6e575fc376d2245457bcad

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
SignatureJMC2oYTLe67pZV3bDekGuFBpT4TjWTVuSAWK4xEb42rpLJ+1vexTkB48OL7YN/hM21hTYDNRS8eedXsN6RCSBw==
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

2026-09-17T11:40:18.476359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085
observed da4e32eb0b24d74add819b59b464d1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.458529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085/manifest.json
observed 7e4d2b5d63db62b53000900a1557e187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.438454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085/publication.md
observed ef607babfbb2ff1592d7bf13293088cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:18.420766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085/publication.txt
observed d8985737df8eeb99fdb1c4434440ddee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.533871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085
observed da4e32eb0b24d74add819b59b464d1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.517659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085/manifest.json
observed 7e4d2b5d63db62b53000900a1557e187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.500834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085/publication.md
observed ef607babfbb2ff1592d7bf13293088cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:40.484229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031085/publication.txt
observed d8985737df8eeb99fdb1c4434440ddee...
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.