OpenTechnical

OT-2026-000053830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000053830) never changes.

Identity and time

Publication numberOT-2026-000053830 · never reused
Internal UUID01a0ae85-735d-7931-86a0-c392b5ed3386 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053830
StatusPUBLIC

Content hashes

Canonical text9f29902c61b3819e5bd491ceacdf4aae9f79a22ca86ce5f79fae487b2f549235
Markdown640d9cb3f65dc1307ca56edcd70f6a614f601a06fdde95abd8a7069b82bedba2
PDF
Publication pagecb1a2b9fff5147c590beb14e8ac9a50e773af79ac0d3118af23f508b5cf1a42a
Manifest7536526ab700233c821032746b333a8edebe6a614fa6e7415c6c62a0abd065d6

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
SignatureX7mv/H+AMd2daT0Rzw1HN3AsCSHQTx4vsUsbOPoc9M8UBt5zHD3LHkh16ENa1WXg9eSwNjYnhKFZaMy1LeFtAA==
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

2026-09-17T08:40:34.583666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053830
observed cb1a2b9fff5147c590beb14e8ac9a50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.562767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053830/manifest.json
observed 7536526ab700233c821032746b333a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.540930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053830/publication.md
observed 640d9cb3f65dc1307ca56edcd70f6a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:34.520223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053830/publication.txt
observed 9f29902c61b3819e5bd491ceacdf4aae...
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.