OpenTechnical

OT-2026-000031779

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000031779) never changes.

Identity and time

Publication numberOT-2026-000031779 · never reused
Internal UUID01a0ae74-bad0-7a73-bb0e-06ff482e9313 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031779
StatusPUBLIC

Content hashes

Canonical text6799492c1a266391508d59d496abb0698f4fdfe5c6f2e7ee9e9b9c3bec1f51c3
Markdown5b51c40489049acb146a2b8a082fd4a59891b403ca22e3f17bbb862dc9ccbf54
PDF
Publication pageb55c5c7429b2490d0660dc31f3a07d547119a61cf9d0561e3085207557cf3807
Manifest8a464e3bd6fd62cfa49a95a1b2f20021009ec2980230155120c3232dc558b13b

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
SignatureOLDat/eqyLvt/wMXW+t6c6Hvw3F88MDG2zHN0j2I+O+MLNV4Tmbbv1wT3Y4RGon+hfN1QAXfx1KeyI6E7O9XBg==
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

2026-09-17T11:34:54.428718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031779
observed b55c5c7429b2490d0660dc31f3a07d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.411205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031779/manifest.json
observed 8a464e3bd6fd62cfa49a95a1b2f20021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.393360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031779/publication.md
observed 5b51c40489049acb146a2b8a082fd4a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.375524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031779/publication.txt
observed 6799492c1a266391508d59d496abb069...
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.