OpenTechnical

OT-2026-000100973

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000100973) never changes.

Identity and time

Publication numberOT-2026-000100973 · never reused
Internal UUID01a0aea3-c377-7291-9c3b-08ac2c91bf30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100973
StatusPUBLIC

Content hashes

Canonical textb3869f8c1f6b3a8c93b99fe40a485bf15b2e7075b920f5b5c440b875eaf8a7ec
Markdown9b0f20dd361f9166a187942879b2462fbeb1656f0a37cbc31315693b5c48cfcd
PDF
Publication page57dd06ffbae55f89b863b8c6a404e236271a8ea1ef3e6b589f0afcc6a2584817
Manifestf5ea49559ec3fd7bf7fb99579b007f11a7d93e9a87f6882a36845d07259e82e4

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
Signaturel75NhoicI5HilHI0BYw8H2T8fmkoea9xgKdJp4DBEdro5ORFo+gl8gEPGrWnfezL1spz1up15/Kv4sixlHhMDw==
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

2026-09-17T09:26:29.156544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100973
observed 57dd06ffbae55f89b863b8c6a404e236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:29.139685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100973/manifest.json
observed f5ea49559ec3fd7bf7fb99579b007f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:29.121757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100973/publication.md
observed 9b0f20dd361f9166a187942879b2462f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:29.074121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100973/publication.txt
observed b3869f8c1f6b3a8c93b99fe40a485bf1...
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.