OpenTechnical

OT-2026-000033880

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000033880) never changes.

Identity and time

Publication numberOT-2026-000033880 · never reused
Internal UUID01a0ae75-a391-7a82-b079-42eecfc3cd4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033880
StatusPUBLIC

Content hashes

Canonical text394a6eebd6ead2e6b2f3645d07334dd4d6c44a006ad5a953447af8e5e2e022d4
Markdownbcae53c550db972f10bbf7c79a1b743b3699486430e149b458ce4bde3f74c1fc
PDF
Publication pageb6500990d1a9c680507a726ba5d6bcc2193ee21a4ca0bb1e98df06f5be6f0335
Manifest4983b697ca01117f295fba176027799b2f653d9a91f02c3f2b1a2385eb8ed2ba

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
Signaturev6+OOQ/HnNYTTAhviyuHqpi4sKMAWwwvf6ONKJQPayjkTOudxjyMfkacS59l+qAb3NlKD0RtACcQQu6COzKXDg==
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

2026-09-17T11:31:57.055232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033880
observed b6500990d1a9c680507a726ba5d6bcc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.037679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033880/manifest.json
observed 4983b697ca01117f295fba176027799b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:57.019649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033880/publication.md
observed bcae53c550db972f10bbf7c79a1b743b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:56.999402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033880/publication.txt
observed 394a6eebd6ead2e6b2f3645d07334dd4...
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.