OpenTechnical

OT-2026-000058688

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000058688) never changes.

Identity and time

Publication numberOT-2026-000058688 · never reused
Internal UUID01a0ae88-f39d-73d6-8563-97f82acbf217 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058688
StatusPUBLIC

Content hashes

Canonical text885b1527dbb7edb42529c0721f63a05ec95168e639c3b7e7082ce18de389c269
Markdown94874738556458df60f7f1e3fdcec87147f10cf40878a0b7afa07c428131a5ab
PDF
Publication pageacc17b57a1984436425ed1cc4491d64223f9c688baf6cb62f347984415dee5bb
Manifest30355521163d36c58350554b6fcf02a174a785f2f4d447c0a53ad738d9d57a24

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
SignaturefiZvXP0RJ631nYosQLI1Iga9VvrQayP4EO73rC4w2M5BtFHwT6Qm3ihFFB0nmnWcHErgRe3HQoGkoPTENXdlCA==
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

2026-09-17T10:47:12.604116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058688
observed acc17b57a1984436425ed1cc4491d642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.586407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058688/manifest.json
observed 30355521163d36c58350554b6fcf02a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.569618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058688/publication.md
observed 94874738556458df60f7f1e3fdcec871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.552081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058688/publication.txt
observed 885b1527dbb7edb42529c0721f63a05e...
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.