OpenTechnical

OT-2026-000061555

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061555) never changes.

Identity and time

Publication numberOT-2026-000061555 · never reused
Internal UUID01a0ae8b-7b44-7cc9-8403-fd5e3ebacb2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061555
StatusPUBLIC

Content hashes

Canonical textce05549dc7c9898e1e7f149d002f10f8d2ea42be189f6159da3357d7f0f5f854
Markdown5fc78808dff366c30bb52eff040f07ce4f225edb11dcf559896e3e4da4b8d74f
PDF
Publication page96628cead026358a9c09e29d39025fca4e79097457e329d76b9cbe25b3da5f71
Manifesta29e0bab0dd2c8d17135eeeb07ace4740dd7ab47c084d11931366523042a5858

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
SignatureDlE03+KzcvSAe/K4Tr0rSSCND/2Lw0UlQMXSDs9GwVaKaUIDo7FucQwaBS65I13rECTCfEM23Zjj4ZdLX54NAQ==
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

2026-09-17T10:41:28.061390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061555
observed 96628cead026358a9c09e29d39025fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.043872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061555/manifest.json
observed a29e0bab0dd2c8d17135eeeb07ace474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.025764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061555/publication.md
observed 5fc78808dff366c30bb52eff040f07ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.007925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061555/publication.txt
observed ce05549dc7c9898e1e7f149d002f10f8...
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.