OpenTechnical

OT-2026-000040429

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained 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-2026-000040429) never changes.

Identity and time

Publication numberOT-2026-000040429 · never reused
Internal UUID01a0ae79-2701-7b30-a9c8-93ffed6ecc32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040429
StatusPUBLIC

Content hashes

Canonical textd33c05867424a8e48457a4eae623ded5f48ad4362bc14fa927959ad13b36cfb9
Markdown818c952e3e176366379fb051e3bb4234e0472f26c6c20f5add2e0b5bb938f2ee
PDF
Publication pagea32f4abd820705fa4a660daa8fe38e714bdda1a58bc78dc9af856c673ad524ec
Manifestf3531267333daf9248acc7d96717b5cc46fcb370815991431d1b8f7076b25397

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
SignatureJrZ3vNDvcjlJ9ygiKC7UrcQkfIF0MXHo4vqKRhnfh7VATnjvj8/adqzV1Qi4R/R0tHu+jw62CZZCwxmomTPDDA==
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

2026-09-17T11:19:26.147305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040429
observed a32f4abd820705fa4a660daa8fe38e71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.132040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040429/manifest.json
observed f3531267333daf9248acc7d96717b5cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.114406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040429/publication.md
observed 818c952e3e176366379fb051e3bb4234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.095768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040429/publication.txt
observed d33c05867424a8e48457a4eae623ded5...
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.