OpenTechnical

OT-2026-000048150

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000048150) never changes.

Identity and time

Publication numberOT-2026-000048150 · never reused
Internal UUID01a0ae80-4de2-7fab-940c-ba98591efa85 · 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-2026-000048150
StatusPUBLIC

Content hashes

Canonical text28a403adb65dc2c160d2d94f13b9ed00b0709c7de04610d4766ec5955b9fa31e
Markdowna12579b42c64ef3add4dc8410c64e1d89eaf563e862c5466c838dcec5049c25b
PDF
Publication page77da1f7ff1e801530ec6a053281d391c1738b67fa2c36e71029449e8aa0322b8
Manifest5f6e9b1cc10272eca54cf3d9c88a31df7cb9ca3b8402ed9292a7a2208ce01db7

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
SignaturezeMBhVvbo2imgjQMmTxZG0WCoZbkPeGqxlI2tWnmCzymxEfD4pcPf+qjSgiKR1wqX1h+dhJnyZN7LSw03wbyBw==
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

2026-09-17T11:04:40.557562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048150
observed 77da1f7ff1e801530ec6a053281d391c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.538486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048150/manifest.json
observed 5f6e9b1cc10272eca54cf3d9c88a31df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.519716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048150/publication.md
observed a12579b42c64ef3add4dc8410c64e1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.500854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048150/publication.txt
observed 28a403adb65dc2c160d2d94f13b9ed00...
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.