OpenTechnical

OT-2026-000018878

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000018878) never changes.

Identity and time

Publication numberOT-2026-000018878 · never reused
Internal UUID01a0ae6e-d522-75f2-8ac2-a6bc0d0d53e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018878
StatusPUBLIC

Content hashes

Canonical textbda00cdb8ccbf808a4193d330e6271cd426b0a0b3e67a2d99d378051db6d1ac9
Markdown24a4860def2ef8c276c0b62e499ff9afcabe0f4f23f1594a9f7c109e60b694ae
PDF
Publication page8b2b5912e19507f3b6e16c60ac23eb1ecf05e3b27aac4c7aa57d72567fe8b8ab
Manifestadbda3d309b41bde6bb01a263bcfa1d85f5b1104669d7a297666fb17b3d485d9

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
SignatureL5cP/h5W2EOM6KgXnmyDBbd/Ue+q11Ay/1v5ondZL71+4Za92mnj08isPQPOZFOwv1gzGbLY4XrZ4uvrAPyuBg==
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

2026-09-17T11:59:31.642710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018878
observed 8b2b5912e19507f3b6e16c60ac23eb1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.622100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018878/manifest.json
observed adbda3d309b41bde6bb01a263bcfa1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.604217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018878/publication.md
observed 24a4860def2ef8c276c0b62e499ff9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:31.586776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018878/publication.txt
observed bda00cdb8ccbf808a4193d330e6271cd...
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.