OpenTechnical

OT-2026-000074832

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000074832) never changes.

Identity and time

Publication numberOT-2026-000074832 · never reused
Internal UUID01a0ae93-ac2c-7b8a-aeee-7024dba57437 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074832
StatusPUBLIC

Content hashes

Canonical text6d457e30338b02b8bd437c27ef5ad46728e189d0d6136f69c0b38cd2d6ef2e2b
Markdownc9ecbd2ac9006561d21dd1a587b1bdfc7dfc11a897d6267781b92ccd0626a73d
PDF
Publication page3c659c887639cb4250781d08bd8535ead6ee11bb1f89d9e5466ff1ab80cb4750
Manifest9163b59ea2ffc53d2a30aafb6750d23f5481c4df5aa73dd50ad99dc8b586bd58

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
Signaturedf/QSWoXpmuBXc7LxGQKSg3gtowARqv21qUR9JbfXXFMQCvQDdM3VowItTlVrgF44HNia7XE9P47mMcPhrj+Dw==
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

2026-09-17T10:18:32.527666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074832
observed 3c659c887639cb4250781d08bd8535ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.511311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074832/manifest.json
observed 9163b59ea2ffc53d2a30aafb6750d23f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.494929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074832/publication.md
observed c9ecbd2ac9006561d21dd1a587b1bdfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.478025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074832/publication.txt
observed 6d457e30338b02b8bd437c27ef5ad467...
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.