OpenTechnical

OT-2026-000056060

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000056060) never changes.

Identity and time

Publication numberOT-2026-000056060 · never reused
Internal UUID01a0ae87-0a4b-7c87-93c1-712f45586a28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056060
StatusPUBLIC

Content hashes

Canonical textd596dbe34ca60cbfc1db2c0fc8addd3651c5ba08023d55c60d2a4ff2b9da3f41
Markdown0e31577c46e9ec4ddf8ee60710e70640ddb5601c8e14738ea67c96e3dc51e5ed
PDF
Publication page1928d22a9222867554be16f2dd90d9a1630fd8fdb0fbc23141bf5980f3e6da84
Manifest0940eae34b17bb72d914cce21d1498ad09343c4961dce6461294653d0391d885

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
SignaturekHojTZ68kXZTOi4ow8RmnZ8ESRSAKh/0HBCp2+1FdeQyVpytAaTQ98w6fmwOhIAOnzXshdvyZFdoQUcqAPj1Ag==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:11.395114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056060
observed 1928d22a9222867554be16f2dd90d9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.378289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056060/manifest.json
observed 0940eae34b17bb72d914cce21d1498ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.360959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056060/publication.md
observed 0e31577c46e9ec4ddf8ee60710e70640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:11.314319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056060/publication.txt
observed d596dbe34ca60cbfc1db2c0fc8addd36...
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.