OpenTechnical

OT-2026-000056336

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000056336) never changes.

Identity and time

Publication numberOT-2026-000056336 · never reused
Internal UUID01a0ae87-4bd2-7565-b28d-ef1c72a8112d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056336
StatusPUBLIC

Content hashes

Canonical text97e12bf78c9af524dcc80a9e9c121b9ad111f94001674fe53d8cff06925ef6be
Markdown69098d934d585cffe2f3d0f530e590cbef861d0128dc97fa17b3fd20932d389b
PDF
Publication pageda3e1bf907c45f1f35f891e9f2086c303520bb91d18388953747e75eb2f19ab4
Manifestc12c248d1fec9a61214bf88bba5144d11c92c11188796ea0c0b4f5cf9be38eda

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
SignatureuXaDx8BNrngdfcUdSa7fYylgdJc/N/No0VBuds+30Si7tJYmIA+zYAd97QeuE5zxnyyUDdfYfFvS37YkVOPSAg==
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

2026-09-17T10:50:50.605038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056336
observed da3e1bf907c45f1f35f891e9f2086c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.585920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056336/manifest.json
observed c12c248d1fec9a61214bf88bba5144d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.566489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056336/publication.md
observed 69098d934d585cffe2f3d0f530e590cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.546634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056336/publication.txt
observed 97e12bf78c9af524dcc80a9e9c121b9a...
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.