OpenTechnical

OT-2026-000079339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000079339) never changes.

Identity and time

Publication numberOT-2026-000079339 · never reused
Internal UUID01a0ae96-0b90-7d9e-b776-ae3a821a1849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079339
StatusPUBLIC

Content hashes

Canonical text885cae929cdd04f36008d21d495101ca0902c0d1228d1ceeef86c83595de20d6
Markdown6583f1e017cfc8723d71c7bdafa8daef348d3a0e1e49ea0b295b020d82a7dc6d
PDF
Publication page5d5a0559086c051fd98a126927ccce2baee78ba7a0d4291230db7ae310610706
Manifest4347356019f38624514e231846355b65326874cf7bd61101bb0d3c99c6618c02

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
SignaturecVHr7sDdEO+PoHjiYr/2B/AIurf8nL2ZZvwnMMOrmB8dtGk/4Zu2MEnrxYYDiUcgFyNGZreo+QoBHs4AUaSuCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:42.394148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079339
observed 5d5a0559086c051fd98a126927ccce2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.376925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079339/manifest.json
observed 4347356019f38624514e231846355b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.359980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079339/publication.md
observed 6583f1e017cfc8723d71c7bdafa8daef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.313767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079339/publication.txt
observed 885cae929cdd04f36008d21d495101ca...
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.