OpenTechnical

OT-2026-000048494

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000048494) never changes.

Identity and time

Publication numberOT-2026-000048494 · never reused
Internal UUID01a0ae80-4de5-7984-a856-0f1227da3961 · 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-2026-000048494
StatusPUBLIC

Content hashes

Canonical textb73f9b468bd50807db2106fd19d740024395d7cbc64da06814d7b50e8247d1ab
Markdown6da281261af6d7fb43572541bfbca85f8e108aa47ce9422029191a4b6e300829
PDF
Publication pagedbe8dcdaed861d6829cd3368d8eae49e25d3c05c7415b7f5a05ce7d131c84505
Manifestbe3f954c1dbb787d08f9c2f35a2bbbc1199d99122738b61c3ed4464f78b9dda6

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
SignatureimxZcqtJf5n9Mz0fTHC4nzhCESAQqwz5f9eLevNzqdEBpoxM4UQOJp27i7GcUS3z0BtTL7lPrWlGvgU9j+C8CA==
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

2026-09-17T11:05:09.925042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048494
observed dbe8dcdaed861d6829cd3368d8eae49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.906322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048494/manifest.json
observed be3f954c1dbb787d08f9c2f35a2bbbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.886850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048494/publication.md
observed 6da281261af6d7fb43572541bfbca85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.865835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048494/publication.txt
observed b73f9b468bd50807db2106fd19d74002...
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.