OpenTechnical

OT-2026-000043012

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000043012) never changes.

Identity and time

Publication numberOT-2026-000043012 · never reused
Internal UUID01a0ae7b-3278-7900-b5f9-ec5e27995211 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043012
StatusPUBLIC

Content hashes

Canonical textdbe4096d31221da24fd18876fee13590324da4b3aec6003a493aa719dfdacfc3
Markdown2eeebb43a59aa4fefeb2c3c86c06f3c1d90aa7d216555545340ec5b909044afb
PDF
Publication pagefbb5d421cfd2683cdcbbaba2495591c64c5073c579274934c283555ad5a7a930
Manifest23019edb6deca57d92aab8818d83b171027c2ab5cad5cb8b7da50baa032185a2

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
SignatureTitXiSSmOtHEAkrSW6Vyuls8R4Yc/T+x/67fzCpwADYzyubSYKxBHyIxM6D1CU1e9WCPE2zu1vn8xgW6o8Y+Bw==
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

2026-09-17T11:13:19.463349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043012
observed fbb5d421cfd2683cdcbbaba2495591c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.444965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043012/manifest.json
observed 23019edb6deca57d92aab8818d83b171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.426581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043012/publication.md
observed 2eeebb43a59aa4fefeb2c3c86c06f3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:19.408436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043012/publication.txt
observed dbe4096d31221da24fd18876fee13590...
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.