OpenTechnical

OT-2026-000025775

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000025775) never changes.

Identity and time

Publication numberOT-2026-000025775 · never reused
Internal UUID01a0ae71-a83d-7546-981e-fbd8b118f182 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025775
StatusPUBLIC

Content hashes

Canonical text74ac56ccf469b2ed36e07b754204ff4999c9c0f7b3dd6096a8606c523c1d1436
Markdown56bd8968bb97c5f89b5c1aac365596bd4c93791f6a59092d48d90b1c24dfcb02
PDF
Publication page315b18eb0a6f3b1959f70fbed933c06911ad540df7156174ad6f8d9578f29e51
Manifest163325ae12edb316b4954415363395cb244f6b175fd4675d3d05dc0e2eb60f63

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
SignatureO/29qSvQ5mmhxQBzGuiKxjkjMjeG/nZmHq+yp8nRSjqZfCaJUKB/z7MGW/spKou2lCdcKJTy151ZIe6TurrRDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:45:58.546740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025775
observed 315b18eb0a6f3b1959f70fbed933c069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.527117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025775/manifest.json
observed 163325ae12edb316b4954415363395cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.511187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025775/publication.md
observed 56bd8968bb97c5f89b5c1aac365596bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:58.493241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025775/publication.txt
observed 74ac56ccf469b2ed36e07b754204ff49...
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.