OpenTechnical

OT-2026-000085409

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000085409) never changes.

Identity and time

Publication numberOT-2026-000085409 · never reused
Internal UUID01a0ae99-aaab-7ddf-a8b4-204d8b7442e6 · 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-2026-000085409
StatusPUBLIC

Content hashes

Canonical text8f0bf57f56ad953b2695b2e3ba206bd87def03c5aed2013086deba0af33ee0dc
Markdown95793c73ccb52c041e7e39b3b80323cbed5561a6cb381277d8856342adb9f96b
PDF
Publication pagea0ad3db9fc41f87d80f0c62a69cb6bc0e65d4246093e727a8b9d926dc949be0c
Manifestac860c158aaf0d5292c6a0f344cbb34d63a681410fca73a550852dc1a33b2ecc

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
SignatureHbe9b2AD8GtMdy3UrDcGBy7eidCHDV2TsSGnv7hHjBvkPWDXClvHoKgA3k+4ey4F8Ui3Mzlm808al0BHV0/nDA==
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

2026-09-17T09:54:10.762384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085409
observed a0ad3db9fc41f87d80f0c62a69cb6bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.742645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085409/manifest.json
observed ac860c158aaf0d5292c6a0f344cbb34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.724741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085409/publication.md
observed 95793c73ccb52c041e7e39b3b80323cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:10.707167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085409/publication.txt
observed 8f0bf57f56ad953b2695b2e3ba206bd8...
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.