OpenTechnical

OT-2026-000057470

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000057470) never changes.

Identity and time

Publication numberOT-2026-000057470 · never reused
Internal UUID01a0ae88-2692-7248-9caf-33e0e0040617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057470
StatusPUBLIC

Content hashes

Canonical text875d05f527b2f2daa93cce4550cb8be7c91eb966ea21648cd6a24e8dfddbafd6
Markdown4019924581f7c595fc0adcc14659314d752985e5231d22d3d784f9207fbc03d7
PDF
Publication page285e1ec147459cf64a6e5d1c239c0667cc06fef0751eb6b09ee5949bc46caa05
Manifeste9a848664d6e8f0757a6747a3cf3a64984094a5f9ce0d833b0e7f241f473b61a

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
SignatureeeVsT+7lHXlvq8PXBDstIIKC7uI2UcBu+5fSnBDT6dj6JJybjxUjjZD2Yg3VZWC9cyO8l5EW6J7rPzeZaN0gDA==
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...

Independent retrieval

2026-09-17T10:47:59.263594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057470
observed 285e1ec147459cf64a6e5d1c239c0667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.157191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057470/manifest.json
observed e9a848664d6e8f0757a6747a3cf3a649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.137486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057470/publication.md
observed 4019924581f7c595fc0adcc14659314d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:59.118895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057470/publication.txt
observed 875d05f527b2f2daa93cce4550cb8be7...
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.