OpenTechnical

OT-2026-000101103

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000101103) never changes.

Identity and time

Publication numberOT-2026-000101103 · never reused
Internal UUID01a0aea3-c378-7a50-b355-48fc390a3a13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101103
StatusPUBLIC

Content hashes

Canonical texteeb533e043be88d3a60743b7a495142f18ca3073bfc66a5db1e8012b61aace8d
Markdown71c890fc71c5e8016d9a5c423651d9f9eea02159026547e0b9d3b9048ab64697
PDF
Publication page681ee2e673770fa4c878891cb38d3e683cc77d5e3115c2f6caa183bc14af9e20
Manifest32bcfd3f55393b8e1b7d8d334e352d928d030cf2cf0f55b319cc19420ce30328

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
SignaturePx0e9CBte71oDSDjwXiF+v/GSC8PRKxo3SrAhLYRNqPDFLpgQqgiLgoqu3XNuUr1TAJmRAIxstOViTvzMpntBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:43.694098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101103
observed 681ee2e673770fa4c878891cb38d3e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.677046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101103/manifest.json
observed 32bcfd3f55393b8e1b7d8d334e352d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.659940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101103/publication.md
observed 71c890fc71c5e8016d9a5c423651d9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.643587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101103/publication.txt
observed eeb533e043be88d3a60743b7a495142f...
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.