OpenTechnical

OT-2026-000048898

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000048898) never changes.

Identity and time

Publication numberOT-2026-000048898 · never reused
Internal UUID01a0ae81-134b-7d46-869e-5e264976db31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048898
StatusPUBLIC

Content hashes

Canonical textb323b6463d11949ba1a9fa4f1b253347a7ff1b33cbacb3b8943f521a1dba71f1
Markdownaad420e22bd8c4293e31e2ac097d44b406c2015313a15178c7b5f86a014974e6
PDF
Publication pageb163a7d95d9480aef7e85e7dbcba7e699108441c2ef90bca4ba4037b6217277f
Manifest128cb5da1b40490acdffeca30b20f2334c73d0a126ed01819f4c144c8181551c

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
SignatureyoZ1XMiof4rVOY0VeLxMwj6kRaRJTBkqPnsqqcyu4T9n2nEeKuGIV6zb0tHouCsq2/MiyoYMHPYAlsautA89Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:03.848274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048898
observed b163a7d95d9480aef7e85e7dbcba7e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.830298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048898/manifest.json
observed 128cb5da1b40490acdffeca30b20f233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.810782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048898/publication.md
observed aad420e22bd8c4293e31e2ac097d44b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.791278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048898/publication.txt
observed b323b6463d11949ba1a9fa4f1b253347...
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.