OpenTechnical

OT-2026-000101048

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000101048) never changes.

Identity and time

Publication numberOT-2026-000101048 · never reused
Internal UUID01a0aea3-c377-75a3-9594-236bae1d5bdb · 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-2026-000101048
StatusPUBLIC

Content hashes

Canonical textc64b9beb6360a28d3f6848aaac40aa902863eeeb5c36f12c78edc7b09fdb090f
Markdownb4b9ce6afce2e1c5842921b7f57209cf7b6757f9e7cb9fe286069a970b764754
PDF
Publication paged4b9aefc4809b5446fcc656efb896be8d0b429202e0d5f7dd6ed9ef5924bf288
Manifest9ed2368a87e2e71627a51529c01488134b8ae81139c24b26146c0a4189605742

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
SignatureZ3L7HGVGtKC6QW0Cadj9ZR0Mkb3J896NKfwPkjQJmI/6l0jkORJ99Vb8/I71esj7GSrSWz+6mJ/WJkwjY1BzCg==
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

2026-09-17T09:26:39.538829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101048
observed d4b9aefc4809b5446fcc656efb896be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.521618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101048/manifest.json
observed 9ed2368a87e2e71627a51529c0148813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.502791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101048/publication.md
observed b4b9ce6afce2e1c5842921b7f57209cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.459697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101048/publication.txt
observed c64b9beb6360a28d3f6848aaac40aa90...
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.