OpenTechnical

OT-2026-000102838

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000102838) never changes.

Identity and time

Publication numberOT-2026-000102838 · never reused
Internal UUID01a0aea4-858c-7ef7-a61d-c54453daaba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102838
StatusPUBLIC

Content hashes

Canonical textb20aad3b979b15d5a4cf9c60f6c3767ff6405f295d1b60831918a187e7c17af9
Markdowna3f31e5abe1ac81a1f0771a84d03638aabd42961d94dee41f5fec05cdc97db09
PDF
Publication pagefd0a3b9d6f76540cf5d9203e91b81b9436213ff60086a90052800a011ec1a30f
Manifest964f76f14815b639738acec9f852f9186163ff24af54d763de67ca6ddd92614d

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
SignatureabU+FANIDr6Q0gCk/jiiwGtlGj+HkfnPW0BmulrcrWSMS6HfeOBOfbcQpahjXLAB55ooYBHoUw3M+i+ai8CgBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:22.583581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102838
observed fd0a3b9d6f76540cf5d9203e91b81b94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.566201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102838/manifest.json
observed 964f76f14815b639738acec9f852f918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.547470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102838/publication.md
observed a3f31e5abe1ac81a1f0771a84d03638a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:22.529390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102838/publication.txt
observed b20aad3b979b15d5a4cf9c60f6c3767f...
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.