OpenTechnical

OT-2026-000049027

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000049027) never changes.

Identity and time

Publication numberOT-2026-000049027 · never reused
Internal UUID01a0ae81-134d-7d90-90d3-69f1636012c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049027
StatusPUBLIC

Content hashes

Canonical text1b1a1185acac9479c0924eddb82299c5a6de0d0184577fe7a9381bf305d17e2a
Markdown01c8b96924700f5eef5b2de67d17b899c26f7911c3c1952a779946814d60e4d8
PDF
Publication page8aa3b61b5498229769a4d151ad5c95f26ecdfcfbaca142f0af4ebb4c9c93e95a
Manifestefeb79c78277d7d51ee82f34faab034ee3ee3c64d5cf2bce9848c771deedcdff

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
SignatureehMSzZpBtN3fpp6cx5f6jZh0LeXbpfNKZX5/Y6TrzaPkzWbv60XhghNbOViDmBQ8mcPlDEfAZGpc6nXlqcg9BA==
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

2026-09-17T11:03:14.825409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049027
observed 8aa3b61b5498229769a4d151ad5c95f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.808558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049027/manifest.json
observed efeb79c78277d7d51ee82f34faab034e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.788680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049027/publication.md
observed 01c8b96924700f5eef5b2de67d17b899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.770200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049027/publication.txt
observed 1b1a1185acac9479c0924eddb82299c5...
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.