OpenTechnical

OT-2026-000055075

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000055075) never changes.

Identity and time

Publication numberOT-2026-000055075 · never reused
Internal UUID01a0ae86-5e81-7421-af49-51672e59cac7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055075
StatusPUBLIC

Content hashes

Canonical textedb03dedc7da59759090cff2a12b10fd16bd068c33bf074ceb2be549779bfdfc
Markdown9fa869fe2f63cf745f91d0e3200b0be2bba054beb9ad71480845d483a0af4523
PDF
Publication page61d5302dc34edf6ccda9323efe2df687f2a2fb11ce8952afacb3de4a71d55699
Manifest917202568c3d47f9481b5253f57f14de041039ef1c060ce9ebf0b78ac287c8ea

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
SignaturerH7itCcFczcVMwnsN7+nmpKQK7Djj16dr987uTAfWhqAHPLd77GokV/amCJcPa+LZ/NyyYBWZ+4opTGoZ3omAQ==
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

2026-09-17T10:53:13.676749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055075
observed 61d5302dc34edf6ccda9323efe2df687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.657811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055075/manifest.json
observed 917202568c3d47f9481b5253f57f14de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.640162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055075/publication.md
observed 9fa869fe2f63cf745f91d0e3200b0be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:13.621223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055075/publication.txt
observed edb03dedc7da59759090cff2a12b10fd...
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.