OpenTechnical

OT-2026-000055486

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000055486) never changes.

Identity and time

Publication numberOT-2026-000055486 · never reused
Internal UUID01a0ae86-a102-7335-8473-b949d7616e3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055486
StatusPUBLIC

Content hashes

Canonical text723ce0c9c9d127d7d258cd59f92dea566383b224f6388bf3225bb5f6bcb5fbc2
Markdown4595a613c7cbc0f479d0fa1ab3cff892f2a3e8e82d319e099a69c6105f7717fd
PDF
Publication page714be48409b879211b75feba057145136b7929f552fda112cc9fbfc96bb9ed05
Manifest00e76cb16e4918bb00e19c735dbe66d13b6737330ef224df0103424661b90197

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
Signature/+aXsmqJAR5cnaCT9us0B6TeQ3eCBJur+2/sGwVLPkw7811yMjuHZ0lDLQ6LYR7JilHxTlVEDR1LddGHUrgzAw==
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

2026-09-17T10:52:09.154929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055486
observed 714be48409b879211b75feba05714513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.138645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055486/manifest.json
observed 00e76cb16e4918bb00e19c735dbe66d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.121182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055486/publication.md
observed 4595a613c7cbc0f479d0fa1ab3cff892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:09.103799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055486/publication.txt
observed 723ce0c9c9d127d7d258cd59f92dea56...
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.