OpenTechnical

OT-2026-000052091

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000052091) never changes.

Identity and time

Publication numberOT-2026-000052091 · never reused
Internal UUID01a0ae83-e78f-7317-8bd7-81ef3df724b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052091
StatusPUBLIC

Content hashes

Canonical textf9c2cc16f293f16c8fb117ed67b7c7ed935f6e303594e1996ab27367e9c66fca
Markdown64731cf004e4434853614855d2483d8ce26f0c46d5d5ad1561fb915a1d4f53ea
PDF
Publication page269e9df84a97398e9649f08850b8d17414f09c8319668a22c219a67a09e79368
Manifest33e3a1b5e64bfcd6c3a2f4356022a0ff6bebccdfdea59e1e15aa4f63f6c95706

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
SignatureXXQmTkkGMx8H70bbTRYwBvK/zc/XJKvveSJl8lxofYmWaI35xKGiW6N0D4gZDcTUK7j/J8mdM8kMxhe1qlzMDw==
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

2026-09-17T10:57:37.469749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052091
observed 269e9df84a97398e9649f08850b8d174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.450138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052091/manifest.json
observed 33e3a1b5e64bfcd6c3a2f4356022a0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.430441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052091/publication.md
observed 64731cf004e4434853614855d2483d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.412648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052091/publication.txt
observed f9c2cc16f293f16c8fb117ed67b7c7ed...
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.