OpenTechnical

OT-2026-000048454

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000048454) never changes.

Identity and time

Publication numberOT-2026-000048454 · never reused
Internal UUID01a0ae80-4de5-7869-bb87-eb28f03e9ddf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048454
StatusPUBLIC

Content hashes

Canonical text246ea4a6b0e0d6c351486da314f236f527a18cdc334b0cd3f9edfc3e70f4cc9b
Markdownb628d82b031eef8604f0bc92563ac50e0497030b08a5fbb9de34c73a1cb89226
PDF
Publication pageb0a3bcdf21656d00ce60577b75cef74a4d821495e476ac0ecc55b676d129e225
Manifest48b1f005ad6ee4c39c4cc4fe6487b4af87d149a3447b10dd41c8e020b00e27d5

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
SignaturebgasrRlYrJsRiU77iodGD7CyMzsk1t/Dc66Hc44LkcV40wGbwH1bOZurxZJRbwE15tmAL0Lv7urIOxh9TBlICg==
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

2026-09-17T11:05:06.640874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048454
observed b0a3bcdf21656d00ce60577b75cef74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.621564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048454/manifest.json
observed 48b1f005ad6ee4c39c4cc4fe6487b4af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.599581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048454/publication.md
observed b628d82b031eef8604f0bc92563ac50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:06.581114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048454/publication.txt
observed 246ea4a6b0e0d6c351486da314f236f5...
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.