OpenTechnical

OT-2026-000060184

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000060184) never changes.

Identity and time

Publication numberOT-2026-000060184 · never reused
Internal UUID01a0ae8a-5a72-7094-bc68-75f2a0e70533 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060184
StatusPUBLIC

Content hashes

Canonical text3c581f8d39430bd9f33839e5f1209f55216d41dacf8c1d38afed717e591406cd
Markdown148b36f0ed24dc48b8265e63bf85db85cd1cc98a8da2047e3cf7339fc8211e49
PDF
Publication page02c63a124b1a85a0500039a86319ba649905f4e4a0ee75d366f03becb009a5b1
Manifest47ed0e534e96e75d26326fc78029ce428b8d0f3f925b13fc3981f60c485109e4

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
Signature1y79lhAV5TBxsIOJgt2GvmtPCLJLhil+o/SE9mKgLFY9wwjfy3/mxo5T6yiql1OChrf5pIfjTVpKVr8nOHMjDA==
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

2026-09-17T10:43:51.049610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060184
observed 02c63a124b1a85a0500039a86319ba64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:51.031956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060184/manifest.json
observed 47ed0e534e96e75d26326fc78029ce42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:51.015428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060184/publication.md
observed 148b36f0ed24dc48b8265e63bf85db85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:50.998368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060184/publication.txt
observed 3c581f8d39430bd9f33839e5f1209f55...
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.