OpenTechnical

OT-2026-000058336

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-2026-000058336) never changes.

Identity and time

Publication numberOT-2026-000058336 · never reused
Internal UUID01a0ae88-f398-72a1-ad6a-e36df62ad32c · 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-2026-000058336
StatusPUBLIC

Content hashes

Canonical text50242ac9e4b147a001c4cdc1d30c8a1895c666eae5004e0686300a820c351ccc
Markdowna8c301d8bcfcd39a885fba1c2a7781538fcdc5684feda96d03f9e4721da449c3
PDF
Publication page5b9afab99878549e08f2aad199868184df6b3cfa51de6791cb3d61445cf23e17
Manifest488d8bed5390bbf6f1dd98c1f5eb34836e2b911b3f4c679779e93ec305043b91

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
SignatureBblSIADQR6IYQUwkhV6WU/vs/XswBtSoPWGD9sFC0HVqqkwSQC+uRNqI1uoHqZ978GU5vb+23dYPFpv7+Nk8DQ==
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

2026-09-17T10:46:44.834992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058336
observed 5b9afab99878549e08f2aad199868184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.819109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058336/manifest.json
observed 488d8bed5390bbf6f1dd98c1f5eb3483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.803654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058336/publication.md
observed a8c301d8bcfcd39a885fba1c2a778153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:44.786114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058336/publication.txt
observed 50242ac9e4b147a001c4cdc1d30c8a18...
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.