OpenTechnical

OT-2026-000012007

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000012007) never changes.

Identity and time

Publication numberOT-2026-000012007 · never reused
Internal UUID01a0ae6d-1943-7bf5-8c69-7ceed199c9df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012007
StatusPUBLIC

Content hashes

Canonical textd82b2c91394454067571b03b24b2e94a88bb03c7fc849676819e7a75e381bea7
Markdown559bef84efce1f05175025c148334da7230c701be8d302195dd329f0e5d14d0c
PDF
Publication page188395e04ff7f2a5c12d1e2478d01a1b000844d1a36798afc048bcbab3bfed9e
Manifest0049cb19dc9ba74db8743e683c4cfdb50f88419c93bc8077bce5f0e128d97e9a

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
Signature/k3Pz4mdweRLB0z3qJQId9EmJZV5W8Qen3fMhN4Nf/3zOL+Z+/B2yvGwflHPRWrujR8uxMs57mno3Ulh9p/ZCQ==
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

2026-09-17T12:12:52.462605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012007
observed 188395e04ff7f2a5c12d1e2478d01a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.444632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012007/manifest.json
observed 0049cb19dc9ba74db8743e683c4cfdb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.426618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012007/publication.md
observed 559bef84efce1f05175025c148334da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:52.406255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012007/publication.txt
observed d82b2c91394454067571b03b24b2e94a...
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.