OpenTechnical

OT-2026-000055950

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000055950) never changes.

Identity and time

Publication numberOT-2026-000055950 · never reused
Internal UUID01a0ae87-0a4a-7090-bbaf-403d82d026b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055950
StatusPUBLIC

Content hashes

Canonical text89ebd1881767bd3555eae2dadfe85cd07276270a52324eefbce93a5325016a76
Markdown8469b07d95c8ec559385241c6b8219cf3db1ad3d4ed50fda4d5ebbb2c36cfb4c
PDF
Publication page0ace8c4372e6d4311378b99f6c6eeaf7ad2e5384eb2af1e32f03d6ecd9a18044
Manifest9b30d4b0e98ac45b2b7ea6e6f6c4b4032d1d65f92af6fca27be2fc12d0018812

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
SignaturebwJQRKWgRmNeM2HPInGpIxkvhHQPBog4/4vJeEwqskTJretPGyX7WkxG2X6AGqqFI54hhSwYy6yWAjqZbM5FAA==
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

2026-09-17T10:51:28.168586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055950
observed 0ace8c4372e6d4311378b99f6c6eeaf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.151285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055950/manifest.json
observed 9b30d4b0e98ac45b2b7ea6e6f6c4b403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.133052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055950/publication.md
observed 8469b07d95c8ec559385241c6b8219cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:28.114500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055950/publication.txt
observed 89ebd1881767bd3555eae2dadfe85cd0...
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.