OpenTechnical

OT-2026-000054753

Publication integrity record

Four cup vacuum gripper, four 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-2026-000054753) never changes.

Identity and time

Publication numberOT-2026-000054753 · never reused
Internal UUID01a0ae86-1284-775a-bb31-753a2589fea1 · 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-2026-000054753
StatusPUBLIC

Content hashes

Canonical text4bfe01e28df1b139601140088309a86f5c99830cd65d866506be46d46ecc081b
Markdownddc2a5d180d45548f7a17f9611f76ee2c30622128f818c3b0a5082f1b09e38cb
PDF
Publication page0a86736bb0b6d24ff369b242370d6f05f2e74c0c1c2aa5310605462b28ac9961
Manifest76cbfd8c333e523b433cfca51a31f34096ee15d33d97251d8c8d17da9d568f3c

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
SignaturelvQmBmYyiXegAOVf/6ojbwX6FZ0M4RHwvX3pSjrk5bQjhPzgRjLVCRBzduapHQwAvV7GbuinQ15xQyMkyy/YAw==
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

2026-09-17T10:53:56.502665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054753
observed 0a86736bb0b6d24ff369b242370d6f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.486081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054753/manifest.json
observed 76cbfd8c333e523b433cfca51a31f340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.467294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054753/publication.md
observed ddc2a5d180d45548f7a17f9611f76ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.449712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054753/publication.txt
observed 4bfe01e28df1b139601140088309a86f...
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.