OpenTechnical

OT-2026-000068816

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000068816) never changes.

Identity and time

Publication numberOT-2026-000068816 · never reused
Internal UUID01a0ae90-6dcb-70ea-aea2-59dd098a6253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068816
StatusPUBLIC

Content hashes

Canonical text9627e56b55c07ffc52ea8b9999352449dfb51887a33adb7e07ea2bd44a1c3ea9
Markdowne7180567ea7992048a624a5a8a5f2186bc025b35f0919fd8af2bbc372ed3666c
PDF
Publication page5a74e19ad87a6aa9bb125793c9001d725d643fca9489eacd0f9ace7b4197df53
Manifest7aeb7d0529cb1115bbcacd55cbffde7f02d122e820580425542ab2332da99137

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
SignatureV8U2uMgfnICFsSCRbIrUZh5La5RreYEvAYmtpmx2om+0ddGLTKUWjCZSSzzZNGsnLw/oh/kQCZ6r/gJu+bD7BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:37.054485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068816
observed 5a74e19ad87a6aa9bb125793c9001d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.037400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068816/manifest.json
observed 7aeb7d0529cb1115bbcacd55cbffde7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.018340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068816/publication.md
observed e7180567ea7992048a624a5a8a5f2186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.999898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068816/publication.txt
observed 9627e56b55c07ffc52ea8b9999352449...
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.