OpenTechnical

OT-2026-000046203

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000046203) never changes.

Identity and time

Publication numberOT-2026-000046203 · never reused
Internal UUID01a0ae7e-032c-73d4-94d5-4e7916e745b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046203
StatusPUBLIC

Content hashes

Canonical text21d6203075c39c916c2df4dad79f017123053a5f4a0ebbbb5eb0f6f7363de35f
Markdownf8bf79f874936ec9cf5a8200466d27e728b124d1f295cc694daad489c0c5d4db
PDF
Publication page55f2818b43af07e888eb68d1c29e3f1754a4f91033238dfae8852688f41c69c7
Manifest821ea34bcbdcf7c4228bb14486803fdf3f8904ce3ad3fddf70d89e2fcc9986dd

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
SignatureZV8TrcwtW3Cj/f8MqB0aeib8kntfNRYn6cP40cu9T2hMy6z71WKEMfA+O4yz4lPRI+9BhGJQd6kIUqg5FpQSBA==
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

2026-09-17T11:09:13.142612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046203
observed 55f2818b43af07e888eb68d1c29e3f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:13.123554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046203/manifest.json
observed 821ea34bcbdcf7c4228bb14486803fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:13.104609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046203/publication.md
observed f8bf79f874936ec9cf5a8200466d27e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:13.085899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046203/publication.txt
observed 21d6203075c39c916c2df4dad79f0171...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent