OpenTechnical

OT-2026-000058040

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000058040) never changes.

Identity and time

Publication numberOT-2026-000058040 · never reused
Internal UUID01a0ae88-6eda-7456-a20b-e9183a5c8a93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058040
StatusPUBLIC

Content hashes

Canonical text8ff49286385014cf9792119baf3da209e7d2c85a0d25f9699d051108caaa4a2b
Markdown69aeb948424b3bce86dad99b132c11f27d7bf65934c0c045e4b7a1f83734c959
PDF
Publication pagefd3457878be8a3f437da93c5caf0dd1192f2253393b4745180e2366df0b21967
Manifest942814343c6425589d6f52689de71f12a78d54f3fbde977f55a4546e0df4884d

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
SignatureCDebSr2Ollt0TysC0j0JwvbxEc2v3nQjcm+vBkP+IP/OZYDnvtGfUwuKg1oq03I2o7QEOTTLB1Fg3s5tGNr7AA==
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

2026-09-17T10:47:41.225355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058040
observed fd3457878be8a3f437da93c5caf0dd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.206400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058040/manifest.json
observed 942814343c6425589d6f52689de71f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.188016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058040/publication.md
observed 69aeb948424b3bce86dad99b132c11f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:41.171333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058040/publication.txt
observed 8ff49286385014cf9792119baf3da209...
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.