OpenTechnical

OT-2026-000056935

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000056935) never changes.

Identity and time

Publication numberOT-2026-000056935 · never reused
Internal UUID01a0ae87-7af9-71fb-9922-dc2b4dcd46e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056935
StatusPUBLIC

Content hashes

Canonical text01046a56267b5e64a941575788db4dcd732521e936a68e30455333b162e8da77
Markdownc3fd35055475d5770672357403ac8363cf1c6226ceea17db8e6fee6c856a910a
PDF
Publication page3e6f83eca08b2a8ff95ccdcf468dce30b3bc8a70ed0b7bdbd9377a874f555563
Manifest20c06d0167c229007cce1c503bad4e74e49ee2709bab410e113837a00c9c58bf

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
SignatureYjzdKZk4z3J2Kanqb+b+ijOXm/4oKRatPtFbW4wzni9/t81fHjUAZq33m5bFYbhKLH1iZ80SWUpoU1PXqEk2DQ==
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

2026-09-17T10:50:29.092450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056935
observed 3e6f83eca08b2a8ff95ccdcf468dce30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.075787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056935/manifest.json
observed 20c06d0167c229007cce1c503bad4e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.056407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056935/publication.md
observed c3fd35055475d5770672357403ac8363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.039410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056935/publication.txt
observed 01046a56267b5e64a941575788db4dcd...
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.