OpenTechnical

OT-2026-000032838

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000032838) never changes.

Identity and time

Publication numberOT-2026-000032838 · never reused
Internal UUID01a0ae75-4842-75f6-ba45-e2f020d19e5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032838
StatusPUBLIC

Content hashes

Canonical text4bd6f0aab6e7f6beca2d086dd46c8c038266a79e255f6b0652616812cc263499
Markdown2deb912a06e376d3c042646498a853f408080db9346dac0527abc84ff6e11eb1
PDF
Publication pagefc8416e74c7d9145f7f8c2457bb10bf85f723875225a8435f405cf3d7db56d4f
Manifest7268677240fc90552406841dfaaba8d23c2acb7343919d9aebd6de8252b3a4a1

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
Signaturex2dAQQsDqQzia4iZOVNih27zAOHnAFEhhtAp5i7fmU9kw391AIoaZrlIMxZn5ipTwLvfcWrFKYWMYWHKTRs6Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:17.869347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032838
observed fc8416e74c7d9145f7f8c2457bb10bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.849569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032838/manifest.json
observed 7268677240fc90552406841dfaaba8d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.830897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032838/publication.md
observed 2deb912a06e376d3c042646498a853f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:17.813370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032838/publication.txt
observed 4bd6f0aab6e7f6beca2d086dd46c8c03...
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.