OpenTechnical

OT-2026-000054558

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000054558) never changes.

Identity and time

Publication numberOT-2026-000054558 · never reused
Internal UUID01a0ae86-1283-76cf-878e-9f90e5f6746f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054558
StatusPUBLIC

Content hashes

Canonical texta12893cb65204a7bdf6afd6102398085e9583a9c973376796a87c3a813f8f8c5
Markdown4e174ad8c94506a553262c8db3d4bc41c432962384d1e6356ecb48d0196c84aa
PDF
Publication pageb47b1600f3068ef88ead457167b09cbea1fe3d7f4ce4ecbdea9322a4f40e1cf3
Manifest7730d25b4d96dd2aab84b1f37d01bcf7ed2c2b4ebf8bcce5e81ef0bf02e4032c

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
SignatureRzhnLUC27fJ8oVqftWeWaCinrE6kkGKv5ozMB+zKBwTR7LE1zOWnjdy6N06ZC+lAfUg4pTVY8AzbSGmw2Se+DQ==
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

2026-09-17T10:53:35.933983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054558
observed b47b1600f3068ef88ead457167b09cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.915000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054558/manifest.json
observed 7730d25b4d96dd2aab84b1f37d01bcf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.895675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054558/publication.md
observed 4e174ad8c94506a553262c8db3d4bc41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:35.875357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054558/publication.txt
observed a12893cb65204a7bdf6afd6102398085...
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.