OpenTechnical

OT-2026-000048221

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000048221) never changes.

Identity and time

Publication numberOT-2026-000048221 · never reused
Internal UUID01a0ae80-4de2-706e-a7f1-7245b48093d7 · 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-2026-000048221
StatusPUBLIC

Content hashes

Canonical text4dca7d7e4136079a46d59c15359869975817720c1dc2032f3faff3e0bd33f746
Markdown777c69f28b0bdcc1d77278985ba3ba4af73fff3a74b2b37ebf54ab482d157fea
PDF
Publication page129e8343c758599953a370a03123746a80ef3a7fdbb4140b63b33c26ffd51c0b
Manifestac2bbcc3c71c5aa27629bd800ad88ae25b88ff08171879c8ad68bc8c15b2831f

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
SignatureVFW4vsEh/TRPuwrMeyKzT09vVf8HTsV7LoIVFHw918i6ACY+Y1i+aLwgJcyyxEj1tnEXPUmCxWmSy9XF7x6GCQ==
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

2026-09-17T11:04:46.488711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048221
observed 129e8343c758599953a370a03123746a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.471407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048221/manifest.json
observed ac2bbcc3c71c5aa27629bd800ad88ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.451881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048221/publication.md
observed 777c69f28b0bdcc1d77278985ba3ba4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.432250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048221/publication.txt
observed 4dca7d7e4136079a46d59c1535986997...
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.