OpenTechnical

OT-2026-000061681

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000061681) never changes.

Identity and time

Publication numberOT-2026-000061681 · never reused
Internal UUID01a0ae8b-b8aa-7e60-8d7a-5516820a2b6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061681
StatusPUBLIC

Content hashes

Canonical text1458faeac9373eb7ef379e6d1a33cc4e8fef1dd80c6ebc22272b8b3342550bfa
Markdownd0b44e15b755e6e41e65e302bdc602a81e23591c8103251abd154c711bdd268c
PDF
Publication page306e40a41a560856fe496057f4cfe79e82496ac9d185ae269b05e2dc097cb716
Manifest594a678c192e9820c98397f1bdb89feb3de6f90e373b9757d3c5c6b010a51ca8

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
SignatureoUQ7TXLQJxUp0kMHrRC9UMjeyTui9gcRFjuwVVElEAyPoWCL5RTyXuyAlUCN62RsaCMyQOiT73Oaa0tsoLx4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:14.273356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061681
observed 306e40a41a560856fe496057f4cfe79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.251857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061681/manifest.json
observed 594a678c192e9820c98397f1bdb89feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.231160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061681/publication.md
observed d0b44e15b755e6e41e65e302bdc602a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.209870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061681/publication.txt
observed 1458faeac9373eb7ef379e6d1a33cc4e...
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.