OpenTechnical

OT-2026-000054533

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000054533) never changes.

Identity and time

Publication numberOT-2026-000054533 · never reused
Internal UUID01a0ae86-1283-7dc2-9441-ae3893376f11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054533
StatusPUBLIC

Content hashes

Canonical text84b37756a1dff5b869e24c1ec7489d38b2b750fd1236725fc4b78051e36651bd
Markdowna043083c50e98f7f83c66fdb0b7df990848c31b85aa0440c5e8dbb35ea7c3802
PDF
Publication page05962eea324f0fd5f419dfb34e5a049dff427be72684e048ca8dee4d258dae42
Manifest07e38059d54fcbdd1c186ee1a8b71b29444cdc05af17539f21d77333ed7830c0

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
SignaturelTS74orlvB+Cqy9iXL8Ys2s8c9I0G/9eqxATbQs8H0gSOYNQAten39HzGy+GrAZeyQ8havYa57OBfRyyr7nMBA==
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

2026-09-17T10:53:33.718068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054533
observed 05962eea324f0fd5f419dfb34e5a049d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:33.699299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054533/manifest.json
observed 07e38059d54fcbdd1c186ee1a8b71b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:33.679597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054533/publication.md
observed a043083c50e98f7f83c66fdb0b7df990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:33.660400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054533/publication.txt
observed 84b37756a1dff5b869e24c1ec7489d38...
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.