OpenTechnical

OT-2026-000085715

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000085715) never changes.

Identity and time

Publication numberOT-2026-000085715 · never reused
Internal UUID01a0ae99-aaae-7a60-bae9-e736322102bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085715
StatusPUBLIC

Content hashes

Canonical text42dee6622c85999f437d910ced52bf1ce91f82972b60a8410a8729225b5f23b2
Markdown922224cdf9e8171d1928294f9df87cda4c9590e0d1d0852cbd8086837a83f55e
PDF
Publication page2e308e66fc9a152aad427111383380ec26714383ae658c72a330422c32498b56
Manifestcdc18adf3de8b0174994a7c909852ae89c600be760638a711d1f566524ddeda0

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
SignatureJp7UM8eviTGFCNz6LCDwCAQmw9hAp3uy3DyXtbjPPnV6I6Ufd9u6wi2qGz0EbsZrdj/qkdtKJCwwLUvnBCxbAA==
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

2026-09-17T09:54:37.400974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085715
observed 2e308e66fc9a152aad427111383380ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.383856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085715/manifest.json
observed cdc18adf3de8b0174994a7c909852ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.367096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085715/publication.md
observed 922224cdf9e8171d1928294f9df87cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.348997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085715/publication.txt
observed 42dee6622c85999f437d910ced52bf1c...
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.