OpenTechnical

OT-2026-000083055

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-2026-000083055) never changes.

Identity and time

Publication numberOT-2026-000083055 · never reused
Internal UUID01a0ae97-c961-7890-a1ed-f31604dbe01f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083055
StatusPUBLIC

Content hashes

Canonical textf193615ccc2d5a6c3a7300bfd77490300ec6737a3de37345f3c5a04a82795161
Markdownd787303a6c60ef7abb9480d709dfe1f7762261c21fa28e221f0010c74973efad
PDF
Publication pagedaba67b14f1c0c942ab0bd086584448e582b4748e214c55f3e77217c3cdfa348
Manifest4b429f3f1bff97e5569470e31cae7e708dd5eb44a25d9c74cbe8cde6af65e80d

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
SignatureSfAS1HYvN1u1B8w0a/le5oUcgdHWvxHyuImpHjmVOFsN5BMzpSJYgxchRxcTt6Iam3o0QBi/zzuu7vsqr4j5Aw==
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

2026-09-17T09:00:28.148604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083055
observed daba67b14f1c0c942ab0bd086584448e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.126707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083055/manifest.json
observed 4b429f3f1bff97e5569470e31cae7e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.102085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083055/publication.md
observed d787303a6c60ef7abb9480d709dfe1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:28.074012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083055/publication.txt
observed f193615ccc2d5a6c3a7300bfd7749030...
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.