OpenTechnical

OT-2026-000025269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025269) never changes.

Identity and time

Publication numberOT-2026-000025269 · never reused
Internal UUID01a0ae71-5fa6-7faf-af2c-f3eec457b20b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025269
StatusPUBLIC

Content hashes

Canonical text7d155ffc4d57712e06eea6013a2cb8e77088e52eefe87baef2c5e65080ad63ce
Markdown10ceeadef215b1a9fb660d2c4a56f1e341f2a36510d4657b600eaa71f74c4e13
PDF
Publication pagef4ff3cbe1a64b85bcdd1b18ed8382d0e38d2d1b91cd1d20b4cfd4d5b9e9b0be3
Manifeste43c09ef9354f3007c72e1c8450379b23d0e398d8f8bbe500b7e0d5b30b341f4

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
Signaturepl+TEqAzCRXqfwxncpzjBofieU8WEOx/y31phZO+loQKgKG0uukaGbuecr9mZGf5R4bZqgyC8UM5UQxFUI7oBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:47:13.714144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025269
observed f4ff3cbe1a64b85bcdd1b18ed8382d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.697530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025269/manifest.json
observed e43c09ef9354f3007c72e1c8450379b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.679554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025269/publication.md
observed 10ceeadef215b1a9fb660d2c4a56f1e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:13.662194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025269/publication.txt
observed 7d155ffc4d57712e06eea6013a2cb8e7...
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.