OpenTechnical

OT-2026-000052590

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000052590) never changes.

Identity and time

Publication numberOT-2026-000052590 · never reused
Internal UUID01a0ae84-573b-7454-873a-b353dc9b41a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052590
StatusPUBLIC

Content hashes

Canonical textbd93253676a1ad636c00ab8ab0183b782a5647d2dfe3077a93a51ab448195c7d
Markdownf498a2f674b1fb32a0bfb49d1eb6f0ff66375a6bbf0975b6a3c2b2ae5d447140
PDF
Publication pagee4fd8639b45c700649eeee0b4d6f54e75888f6ed382787d98b66006ae1208ddc
Manifest60b0e49189c7e05e6191286613dd0c1202e436af2a24f58c4e7b1ec3d5266202

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
SignaturewhVm1qP/bwQGqz0tR+KOT/HRMaVio78RNypn10PH+MPFcN04U0AguFhDRtDK7R95xbwTc/BDuSINj/lyvBuUDg==
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

2026-09-17T10:57:15.297254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052590
observed e4fd8639b45c700649eeee0b4d6f54e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.276613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052590/manifest.json
observed 60b0e49189c7e05e6191286613dd0c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.259746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052590/publication.md
observed f498a2f674b1fb32a0bfb49d1eb6f0ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:15.241618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052590/publication.txt
observed bd93253676a1ad636c00ab8ab0183b78...
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.