OpenTechnical

OT-2026-000060373

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented after set-down

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-2026-000060373) never changes.

Identity and time

Publication numberOT-2026-000060373 · never reused
Internal UUID01a0ae8a-b7ca-715e-ae9e-44938c054cb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060373
StatusPUBLIC

Content hashes

Canonical textcfc1aa19f4156ad0532c1038d98e31415ee94ed665e52572cd28de5b25e16aad
Markdownff151e1d26d5f3a350a67b0ad1e299a05ddb532bbd5e9ea164c17fe0befb4fcb
PDF
Publication page3eb09f7b1a3b4fbf28acb7733fd2b2e4e705c60e17aa2ba60f235cb8d13d19b2
Manifestc6cf1883eab52db90f4f2f8b7da07ab953a4a9241c9a7ea9b1ef54ecdc302efd

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
Signature0ZlSvZvDZ1i4MPRh+8RYxPXRbcTpwfhxo2ftb1By5uMTY+LJsImwGDo925hDuqOnsPRlFVHeZksgT7mDjtFUDg==
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

2026-09-17T10:42:49.637333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060373
observed 3eb09f7b1a3b4fbf28acb7733fd2b2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.618166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060373/manifest.json
observed c6cf1883eab52db90f4f2f8b7da07ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.566453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060373/publication.md
observed ff151e1d26d5f3a350a67b0ad1e299a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:49.422572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060373/publication.txt
observed cfc1aa19f4156ad0532c1038d98e3141...
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.