OpenTechnical

OT-2026-000102878

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed blow-off after set-down

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-2026-000102878) never changes.

Identity and time

Publication numberOT-2026-000102878 · never reused
Internal UUID01a0aea4-be3c-7c42-9ad4-5203dc75b7a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102878
StatusPUBLIC

Content hashes

Canonical text514910334c493bb9e64e9a2c9092f8401de581318dd4c92063f85a5931eaf93e
Markdown411613914db90d9840826606fd586506d8fac3662b5079fef2b6e4a8b865fc39
PDF
Publication page782f944afe145b73524f09e864e75586adeb08863dcbbf8597d9e4731f4eee87
Manifest3533aa223c4dbe7ab7c398eafcc0a85a24711d10856228cde6b6b190ec79d673

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
SignatureUWyHKDxQZpR7ZlFj2kRK2LPjN2F+qlPFQS4FI43W0aJpQmiNB//2cbfuBWhQ4w4rCD8e5rnyaC4XQsoiD9GLCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:53.167787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102878
observed 782f944afe145b73524f09e864e75586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.152161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102878/manifest.json
observed 3533aa223c4dbe7ab7c398eafcc0a85a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.137612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102878/publication.md
observed 411613914db90d9840826606fd586506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.121417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102878/publication.txt
observed 514910334c493bb9e64e9a2c9092f840...
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.