OpenTechnical

OT-2026-000061746

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000061746) never changes.

Identity and time

Publication numberOT-2026-000061746 · never reused
Internal UUID01a0ae8b-b8aa-721d-9e7e-53f6ce5fc146 · 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-2026-000061746
StatusPUBLIC

Content hashes

Canonical textfaeb8032f61f6e94696a184012cbd3bb9bb3c503724139ba860b1d0ede727896
Markdownedc2d338b1043bd9785130398e7dcab1b06df7bdc5ae59284603bd569e0d5b51
PDF
Publication pageb46051dc635e319de78ee61ede1153a16d9088ea37f86ad27ff123e3405e981d
Manifestee77946ff4d5b9763cdc4860e5d964851387f4f448d7a3d1e78bfac706f79edd

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
Signature3XMJ+X1uDe50LZlCDoenzE6ILmT1rG3g4WEZQYrXeT9sTFKtxrw+2W209XLClE69Mk1kvmoNO6yiMHx0KsclDA==
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

2026-09-17T10:40:26.673690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061746
observed b46051dc635e319de78ee61ede1153a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.654678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061746/manifest.json
observed ee77946ff4d5b9763cdc4860e5d96485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.634752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061746/publication.md
observed edc2d338b1043bd9785130398e7dcab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:26.612305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061746/publication.txt
observed faeb8032f61f6e94696a184012cbd3bb...
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.