OpenTechnical

OT-2026-000094973

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000094973) never changes.

Identity and time

Publication numberOT-2026-000094973 · never reused
Internal UUID01a0ae9f-2df0-7010-b6c0-fd562a77bf0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094973
StatusPUBLIC

Content hashes

Canonical text64063e044c57eb743bea207d329960bb484ce864481f9e9ed991ce0b089167ae
Markdown83c18f715b7389f88ea6df8fe12fadb5ea9021500b0c523d5db095442c97e916
PDF
Publication pageddd64f89b2426f5173a5acd293182f5f2131614aea6ba86a354cab3dfa7a449c
Manifestc6e27e456e4c12c03f3c62e8e25ed78c645a20f8a635de1efe92798c6e42c519

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
SignatureNgEl0Ay4MssLxUEoSWYwb5agg9ejnFxoIEoX9psmcnS/uAxuxjLZxvmsibETQSPlhJud0E2HdQZST2KSvjRPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:31.217878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094973
observed ddd64f89b2426f5173a5acd293182f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.199660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094973/manifest.json
observed c6e27e456e4c12c03f3c62e8e25ed78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.179068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094973/publication.md
observed 83c18f715b7389f88ea6df8fe12fadb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:31.160450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094973/publication.txt
observed 64063e044c57eb743bea207d329960bb...
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.