OpenTechnical

OT-2026-000038407

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000038407) never changes.

Identity and time

Publication numberOT-2026-000038407 · never reused
Internal UUID01a0ae78-2d52-7441-a5f7-6d959b0b3859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038407
StatusPUBLIC

Content hashes

Canonical texta7a6695c7822fc3616df26079df2c1084ca86cd3a633f899d8a6396fce9ebbc1
Markdownfd06966995a2a4de50914ca595311f6b81915238ca7efee18891cda3a4641eaf
PDF
Publication page447345c21740e3435ea600b35bde347984f905a1d1606c54c58c8674578773b4
Manifest7894aa56203ffa3e213986d7051549be2ff80742002e5ff33610fa620e6d538a

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
Signaturem8Qv9A9PP2SGtZyKJfiPrp8Jbyvjx5Ue8YlxAFRUFoa+/2HLMF1fN42ecsEDmrp0I0MVqujDnCEh1kbqOaOECw==
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

2026-09-17T11:22:37.077778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038407
observed 447345c21740e3435ea600b35bde3479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.059745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038407/manifest.json
observed 7894aa56203ffa3e213986d7051549be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.043135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038407/publication.md
observed fd06966995a2a4de50914ca595311f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.024635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038407/publication.txt
observed a7a6695c7822fc3616df26079df2c108...
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.