OpenTechnical

OT-2026-000008372

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000008372) never changes.

Identity and time

Publication numberOT-2026-000008372 · never reused
Internal UUID01a0ae6a-e469-7ba0-8ea9-61431920028b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008372
StatusPUBLIC

Content hashes

Canonical text1cf236a71ca1d2b08fecd0f377f59cf72b542618da945cd0c2a7db8a11106427
Markdownc031e34b7e9a57780920c56824ac17c9bc2fcdfb4eccada37314ff32de4afc09
PDF
Publication page47c00297ccad8f8d892679439f516c6679d11ac437dfd5ee91f0ea7b5604cf01
Manifest1c70bb751afee5c64ab189ca1e394bbe1c1d5289283863dc38649888c1f5c7ad

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
SignatureTWMJddW1rz2mRdeRSWYOvmZXJ3EPJ8GZmfOxB4uXcpDDYjrIc8GUziojffBOt0qRPCtzPC/hQuXkMALq98L/Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:11.981948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008372
observed 47c00297ccad8f8d892679439f516c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:11.961926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008372/manifest.json
observed 1c70bb751afee5c64ab189ca1e394bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:11.942866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008372/publication.md
observed c031e34b7e9a57780920c56824ac17c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:11.923803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008372/publication.txt
observed 1cf236a71ca1d2b08fecd0f377f59cf7...
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.