OpenTechnical

OT-2026-000061702

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000061702) never changes.

Identity and time

Publication numberOT-2026-000061702 · never reused
Internal UUID01a0ae8b-b8aa-7fb7-942b-123734cf8746 · 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-2026-000061702
StatusPUBLIC

Content hashes

Canonical text56ef29651562527be9f42f5e1faeadb16f2d02c32b0d0ecf7deab2c651c6f0a4
Markdown3eaece1dc44386b153ad880e509a6b5bae6690127f4566e1f417a1d4e558efd4
PDF
Publication pagefcd8c1ab737b70526acb210085220853fd59e173edb83a6f0449f8cc8c1e3aea
Manifest75c1899c66b997214e0221745cc9547ae96f9e5f93289d0ae65be2beefff74e4

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
SignaturejWDpmYNt+L2ND/yCRnv33N0rnYUXi0E1YAwfW2WwDUHQjURoBcHVjZQxQPqCdbQD+67Bkx76WOwi30sSeKwODA==
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

2026-09-17T10:40:16.158287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061702
observed fcd8c1ab737b70526acb210085220853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.135284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061702/manifest.json
observed 75c1899c66b997214e0221745cc9547a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.112289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061702/publication.md
observed 3eaece1dc44386b153ad880e509a6b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.092569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061702/publication.txt
observed 56ef29651562527be9f42f5e1faeadb1...
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.