OpenTechnical

OT-2026-000058431

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000058431) never changes.

Identity and time

Publication numberOT-2026-000058431 · never reused
Internal UUID01a0ae88-f39a-7c20-945e-b2b94859d5cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058431
StatusPUBLIC

Content hashes

Canonical text990bd8fbca620970dc14a146c963821fcd1c3b4ac0a651603eb472a90fbf4d22
Markdownd878b5fa57475eec8959c40938fd1247e7bc2a963e3257043bbbb14467846b44
PDF
Publication page3acd7b3081d68cd8048013ed92caf2b7ebd95a9742353b8a958d5c25e6f895d9
Manifesteb0f14ec57dff56bed3f8504087af48ab51fb54fb8092a90c19191b4b23b7b91

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
SignatureX5wFDUEXcLH4uJ8H2KgCuiNPb6IwXkBerJj/kifOgIPk8kj+QOraGvCwUHMphD2fU3/mHyT8UWE1Lr4KfNIUDw==
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

2026-09-17T10:46:52.210105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058431
observed 3acd7b3081d68cd8048013ed92caf2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.194329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058431/manifest.json
observed eb0f14ec57dff56bed3f8504087af48a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.176265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058431/publication.md
observed d878b5fa57475eec8959c40938fd1247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:52.157988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058431/publication.txt
observed 990bd8fbca620970dc14a146c963821f...
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.