OpenTechnical

OT-2026-000055759

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000055759) never changes.

Identity and time

Publication numberOT-2026-000055759 · never reused
Internal UUID01a0ae87-09cb-73c9-be1a-29de891e1193 · 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-2026-000055759
StatusPUBLIC

Content hashes

Canonical text8e2de11cc0c07877d35648f5497fa2d36129a57eb48cf064ecc54ad21ede5934
Markdownad3ca380cb4ea79643f382f189420ef214eb2525d640172af3493b17773da1ef
PDF
Publication pageb13ac833e6e55287683e5e3e07ee810df3210b7cb321c07e09fcbbcffbbede7d
Manifest7b7e859850838907c5c7a35608ac7bbd4036fb7df7189dc4ad5bdd73ec4b0480

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
Signatureb6nGnk7wYjWBkVclt6fjcamNfbuNxAciF9FfHispQDhhgDwZHEa+FqE+3iNne7LxvtxcHBvJdQSp7q11rWtjDw==
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

2026-09-17T10:51:06.705323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055759
observed b13ac833e6e55287683e5e3e07ee810d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.688794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055759/manifest.json
observed 7b7e859850838907c5c7a35608ac7bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.669998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055759/publication.md
observed ad3ca380cb4ea79643f382f189420ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:06.650517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055759/publication.txt
observed 8e2de11cc0c07877d35648f5497fa2d3...
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.