OpenTechnical

OT-2026-000060385

Publication integrity record

Single cup vacuum gripper, 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-2026-000060385) never changes.

Identity and time

Publication numberOT-2026-000060385 · never reused
Internal UUID01a0ae8a-b7cb-7dd4-b2d3-d16384389c27 · 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-2026-000060385
StatusPUBLIC

Content hashes

Canonical texta3cc4c9729cbc9126dd2fe29f69177695bac6d72ff3a64d8753ba9a0e876da3d
Markdown82847f2367a6727eca90770fd1e64be00a3c7cbc934b592ccb01a84396b2d497
PDF
Publication pageed683dba22c46939201212b91276cd9cdb39ce72a1840fa0e8e96119319a150e
Manifesta9e5a0b3dd853dd399e6afb805130c1f298227350fcda021357d914521e0fe4f

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
SignatureeR82A1f7byAp4gg9985Y96Pnj2/gVqQh/hBIlgZh0SrGLAKMWhPaX4F6X/+WKTinvQXrCHe/QS8M5YxjfdECCA==
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

2026-09-17T10:42:51.108044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060385
observed ed683dba22c46939201212b91276cd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.088639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060385/manifest.json
observed a9e5a0b3dd853dd399e6afb805130c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.069712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060385/publication.md
observed 82847f2367a6727eca90770fd1e64be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:51.049862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060385/publication.txt
observed a3cc4c9729cbc9126dd2fe29f6917769...
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.