OpenTechnical

OT-2026-000061790

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, vented after 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-2026-000061790) never changes.

Identity and time

Publication numberOT-2026-000061790 · never reused
Internal UUID01a0ae8b-b8ac-7581-99fe-4cc0cc4b6eea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061790
StatusPUBLIC

Content hashes

Canonical text3bff25e9962cee0c323f32cfacab49383ba99e799a731400a498bff6362daa30
Markdownf52e474e3d32a0f046c10ed3e1304b7fed6780ca4b0566d469ac76ed24527570
PDF
Publication pageea2005ad0ba96f7244a8d6f523a62e143cd0146c0451422bb9ecf55a3ec5cdda
Manifest10f9725e83360dacdfb1c37823fc41de76885d1c965ac1cc92a5624e0d885aa4

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
SignatureOlw6ifcWdtgcQ77TgtyJDNqwzFiXlqjpLKS03hcS7JQ0o+jCot4fBCGJV3swGr8kdnfd2ymgBcr0Dyk79RLACQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:30.533026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061790
observed ea2005ad0ba96f7244a8d6f523a62e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.512415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061790/manifest.json
observed 10f9725e83360dacdfb1c37823fc41de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.491855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061790/publication.md
observed f52e474e3d32a0f046c10ed3e1304b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.465454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061790/publication.txt
observed 3bff25e9962cee0c323f32cfacab4938...
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.