OpenTechnical

OT-2026-000042996

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000042996) never changes.

Identity and time

Publication numberOT-2026-000042996 · never reused
Internal UUID01a0ae7b-3277-7aa1-ac82-88cf29d219a5 · 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-2026-000042996
StatusPUBLIC

Content hashes

Canonical text842fe4c26e8badc46b2e38e470faa3a494e0fb40a39eed20150caf345fba7dd5
Markdown60d2f9eccd9aa3e072047029306e5d076560fa77f185ad2d2bceb48ece91c26b
PDF
Publication pageaa30482537b34eabc0f2221b14a6c1583237fb6cbd93f939a6f52f36958fbcbd
Manifesta8e20f24e3c115dc92af4142271169e4ffb4c724d428c73d47b14ab29f228f74

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
SignaturewZRzKUZIGe+6OSz0tn715T2sB4v9w6+tavoGtBydsG6DthuSywEQzEsputYVQqDwZvkp/vjMJoFVQ2L84onqDQ==
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

2026-09-17T11:13:18.184639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042996
observed aa30482537b34eabc0f2221b14a6c158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.164881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042996/manifest.json
observed a8e20f24e3c115dc92af4142271169e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.143511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042996/publication.md
observed 60d2f9eccd9aa3e072047029306e5d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.123795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042996/publication.txt
observed 842fe4c26e8badc46b2e38e470faa3a4...
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.