OpenTechnical

OT-2026-000049341

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049341) never changes.

Identity and time

Publication numberOT-2026-000049341 · never reused
Internal UUID01a0ae81-1350-7575-bdd8-7ca819148641 · 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-2026-000049341
StatusPUBLIC

Content hashes

Canonical text2549f257aa0052a905caab5a22f4f07893dec1a7cb661463e279a67090b1f088
Markdownb9f68830e8f4a6ff4a9c3f153f9a47c70bb7d57b4c069130da8eacf9220acbbc
PDF
Publication pageba5d5fcda42f9a0fb754e93dac6d29bc28147c8d45909d37305fe9a7b6bf9343
Manifest8ce2f3db8dc55addcacc5ed1090ab15d225c630c7f199cd5ea6464af014baa2d

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
SignaturelMP72VOn3YurjEN/leBMvdWw2htOLeMuYIo9Y9khGX49Hl/B0ytMfjusafVaJkA5hSlbC0PRWI7X4jXdw9+gDA==
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

2026-09-17T11:04:13.360823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049341
observed ba5d5fcda42f9a0fb754e93dac6d29bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.342340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049341/manifest.json
observed 8ce2f3db8dc55addcacc5ed1090ab15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.312464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049341/publication.md
observed b9f68830e8f4a6ff4a9c3f153f9a47c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.293448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049341/publication.txt
observed 2549f257aa0052a905caab5a22f4f078...
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.