OpenTechnical

OT-2026-000056580

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000056580) never changes.

Identity and time

Publication numberOT-2026-000056580 · never reused
Internal UUID01a0ae87-7af5-761d-b1d9-6131874af0a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056580
StatusPUBLIC

Content hashes

Canonical text4d36bbc79e76796c5662c810d777f63fc1ed7b196a19770226419279719343c2
Markdown81d5f3c0413c1cbc131ee65a492816aa001af1662f854c03c27fb81df310f2cc
PDF
Publication pageb9f420bf34e097648ad4418be8dded46857e9f6aa1b94a6c29d6ccdedf326715
Manifestd62dffec0f40f73d99a8ef37a6164806151bd9e271e6957beeb8cbab16b24720

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
SignatureGjCOfvL7PpH/Tl2kpt2nW/tldRh0mBNo+qSO7FDts9WjN2v/T1zv/lDijkYy/OonOIvuX8e0FCbqA5nCuziPCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:55.358262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056580
observed b9f420bf34e097648ad4418be8dded46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.337021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056580/manifest.json
observed d62dffec0f40f73d99a8ef37a6164806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.318470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056580/publication.md
observed 81d5f3c0413c1cbc131ee65a492816aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.297925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056580/publication.txt
observed 4d36bbc79e76796c5662c810d777f63f...
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.