OpenTechnical

OT-2026-000059292

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000059292) never changes.

Identity and time

Publication numberOT-2026-000059292 · never reused
Internal UUID01a0ae89-8614-7105-a78e-4cb0d9a7fe49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059292
StatusPUBLIC

Content hashes

Canonical text53a8dbdcf8b918c938ff4b62dba2d500e564734a36cfb8f384931e1f6a04d1f3
Markdown8b2a585d3c16161712ec9b6bad09a316e14d09df8c6851e1237fdf91f2b41664
PDF
Publication page9bbda1e55d2d1a701b57395bdc5431c2e2bb04e726f4c0d0b397fc95859f6c40
Manifest7b9ea4d4a5aa87ff26691f563159958dff9cc8295d30c791e57bde62353f0d04

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
SignatureoOCtbHTfb7+SF97V7As+J9zyTO/jY/njdety5jl8kOLCCkq77sb+TdmZgZuUkckTKXe2bA5J8n+uB9tnp9jqCQ==
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

2026-09-17T10:45:51.053675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059292
observed 9bbda1e55d2d1a701b57395bdc5431c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:51.035823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059292/manifest.json
observed 7b9ea4d4a5aa87ff26691f563159958d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:51.018207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059292/publication.md
observed 8b2a585d3c16161712ec9b6bad09a316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:51.000602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059292/publication.txt
observed 53a8dbdcf8b918c938ff4b62dba2d500...
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.