OpenTechnical

OT-2026-000075418

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000075418) never changes.

Identity and time

Publication numberOT-2026-000075418 · never reused
Internal UUID01a0ae93-f201-7d63-967a-116a78690752 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075418
StatusPUBLIC

Content hashes

Canonical texta320e42a52460e3cd651f7a18463e74f0f2d2f668f4a6cfceac7fd151dcab789
Markdownc3ecc2595a2a3f961bfe21c175a0fb636464d4754166a1275a6d091bedee41c4
PDF
Publication page7ba99dac25bdf572bdbc15750c52d84b96a71e306242e25fb4974c4ed998b2e4
Manifestb26629e2b21abff1756f54c10fab227500b58a4c1af931eef4e6c461f117fc92

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
SignaturecD6YTnpv/Y22VkyleM5lbkXP+f6/vr3yrylq8j42febnydJLRpuy29typ+CTv4Ntwf0k8CKn04dvoe7zKDtGDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:17:34.314532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075418
observed 7ba99dac25bdf572bdbc15750c52d84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:33.799859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075418/manifest.json
observed b26629e2b21abff1756f54c10fab2275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:33.780932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075418/publication.md
observed c3ecc2595a2a3f961bfe21c175a0fb63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:33.759534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075418/publication.txt
observed a320e42a52460e3cd651f7a18463e74f...
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.