OpenTechnical

OT-2026-000085574

Publication integrity record

Two 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-2026-000085574) never changes.

Identity and time

Publication numberOT-2026-000085574 · never reused
Internal UUID01a0ae99-aaac-7741-9ef5-8e0a552c4766 · 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-2026-000085574
StatusPUBLIC

Content hashes

Canonical text95e4bb7926d105c77247cd73644d8f2e0c68c19597fbe177d462c7dc30208cec
Markdown27c643758a65d98b4d6722a91c3c9633bc4b6f69e7564d447915bffd8e434edf
PDF
Publication page2251b511bff3f915a448d503822cc31f4715815f8a2d054dedbe1febbc250011
Manifest314b1efbea5560204169dd63b38542925e047b032ca1dbb2809b5f0fc1e53497

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
SignaturewF1xsuJIkvfvhqR7eTithxwsW1hSzxZu+6IKnuxGnXp0k7Bxi5DohbWKant0zFkIOKQthdNm3RnQP41YeM0vDg==
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

2026-09-17T09:54:26.554143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085574
observed 2251b511bff3f915a448d503822cc31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.534783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085574/manifest.json
observed 314b1efbea5560204169dd63b3854292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.515237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085574/publication.md
observed 27c643758a65d98b4d6722a91c3c9633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:26.496329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085574/publication.txt
observed 95e4bb7926d105c77247cd73644d8f2e...
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.