OpenTechnical

OT-2026-000058226

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line 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-2026-000058226) never changes.

Identity and time

Publication numberOT-2026-000058226 · never reused
Internal UUID01a0ae88-6edb-774f-9bf8-11267f5b478a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058226
StatusPUBLIC

Content hashes

Canonical text6228dae1d5d5e008344626c30b66272bd564de5f49d3610558d8b86ad0a10f22
Markdownafb1bd4dd8317397b2451c30af3944dafda70e0e191656314717ddc63fd4da18
PDF
Publication paged5a1ea00d92c8516cbf3f58b43ad2dec69d91da1918ac5da236a0f7f9d573109
Manifestfbe80d5dee9be2bd3a9ce610574cc00c6aef7e123ebfde3e25655663041d524a

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
SignatureLa+KsoWBvUe/+PeOA2RjfM38SQA+QgBlCoGu6mDtM5Pyuuk275DouPmfGSWx0kJQKV3Sr/b3tsF2Wwk4L4MJDw==
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

2026-09-17T10:47:56.075694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058226
observed d5a1ea00d92c8516cbf3f58b43ad2dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.056959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058226/manifest.json
observed fbe80d5dee9be2bd3a9ce610574cc00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.037187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058226/publication.md
observed afb1bd4dd8317397b2451c30af3944da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:56.016511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058226/publication.txt
observed 6228dae1d5d5e008344626c30b66272b...
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.