OpenTechnical

OT-2026-000078117

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000078117) never changes.

Identity and time

Publication numberOT-2026-000078117 · never reused
Internal UUID01a0ae95-6e8c-7c78-b59c-b14d9570e872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078117
StatusPUBLIC

Content hashes

Canonical text063d10acabc499c02f5c72ba4af8548b48a41f23316510575b3f8782827f1dcf
Markdown9d124a15d4c81e416aec5c0079e3ce1a803c73c864473bd5410ad35e53a11ebc
PDF
Publication pagea141f5dc77402a2a6ee71f3e3fab4ab1e49530a44e2627c35f1b6b598053f271
Manifest750a115f3a75242d9481b1b4e543cdb664d2e431069200c2dc2d7ef6563f5c69

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
SignaturegZ54a7q43HSGgjmII+U2LkZY6ZXP/GHXFRF6G522tzXJEOrpv+YzEIL14ePoK/aMXQNDb4ekYmVKiNlNobVBBw==
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

2026-09-17T10:06:49.638110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078117
observed a141f5dc77402a2a6ee71f3e3fab4ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.619849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078117/manifest.json
observed 750a115f3a75242d9481b1b4e543cdb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.603633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078117/publication.md
observed 9d124a15d4c81e416aec5c0079e3ce1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.583682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078117/publication.txt
observed 063d10acabc499c02f5c72ba4af8548b...
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.