OpenTechnical

OT-2026-000054748

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054748) never changes.

Identity and time

Publication numberOT-2026-000054748 · never reused
Internal UUID01a0ae86-1284-7bcc-b9e0-a2fc1f5e336a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054748
StatusPUBLIC

Content hashes

Canonical textccb0c50f2dbda53d7abacd42c0a16a105187deba22e6ebf1983c4a2411ab282c
Markdown40f5f94beedf07e90f462dcf7b362bf372023060f2548ce1bb626a0a62eefc5b
PDF
Publication page117229233b798ebd462b8ea3a958d6084d72434dc2ea193e762441e9076c9f96
Manifest20e37a98b4c3ddcd64a5c51f708e43fca48b3c8227518a0d38bc5d8269e82d43

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
Signature7E5QI3GCDs0XQtERozhP9FsK2otEsVpF2jFfJHE6jBDOzJJqu0IW+0jvUecbok9H/hDMD4cFsMR2wMHQ2IHjAA==
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

2026-09-17T10:53:56.127862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054748
observed 117229233b798ebd462b8ea3a958d608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.108937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054748/manifest.json
observed 20e37a98b4c3ddcd64a5c51f708e43fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.091203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054748/publication.md
observed 40f5f94beedf07e90f462dcf7b362bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.074213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054748/publication.txt
observed ccb0c50f2dbda53d7abacd42c0a16a10...
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.