OpenTechnical

OT-2026-000042147

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042147) never changes.

Identity and time

Publication numberOT-2026-000042147 · never reused
Internal UUID01a0ae7a-5d71-7aa1-9673-a63cad4b0a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042147
StatusPUBLIC

Content hashes

Canonical text51badb6134a9d8d3c62820f171defce6f094f756c1b1c5985cde44b84630f0d1
Markdownbdee630527a02dadb57ef1b0278a0a06d431ecab82ea033eefac871800b84ba1
PDF
Publication page57fad4a2872d108e389b19a324e6ac9656a594b1cab8c2d30c00996fd4366573
Manifest9422bf7018e91a0f6f2e1cc113539ccf11be5bff0b3aceaa9c7114a6cee1cb2d

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
Signature9awz2QHTRZk8HFtv6H5ybED9ac3UCYvWcTh9RDKTysONg0532lq24DRAJQIaBPsyIJD03fI1hsMm1k9NG83LDA==
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

2026-09-17T11:15:41.986431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042147
observed 57fad4a2872d108e389b19a324e6ac96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.964558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042147/manifest.json
observed 9422bf7018e91a0f6f2e1cc113539ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.945608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042147/publication.md
observed bdee630527a02dadb57ef1b0278a0a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:41.926568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042147/publication.txt
observed 51badb6134a9d8d3c62820f171defce6...
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.