OpenTechnical

OT-2026-000018862

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000018862) never changes.

Identity and time

Publication numberOT-2026-000018862 · never reused
Internal UUID01a0ae6e-d521-7d60-8af3-edb3cecfd124 · 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-2026-000018862
StatusPUBLIC

Content hashes

Canonical textd9622b2c84f8cc125f7efc8e7b57b848d62a17ebe1e7e6d764ca83d99d2c5e7a
Markdown845dc2525cf4097f2aadcc378b8e8a7b3e33efc0543993e56eb63f3ed6dfa847
PDF
Publication page9328991d68e51fbe21dc37b671941bd06a89f40d23be6cb8e33b36b798cfcdd8
Manifestd43900c900f146e92d0d4144ab4c49306ac139697c87b88e52c36b1afcda64fc

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
SignatureJlEatsO3KHM4NdWmiQ0172PUJU4JTpR2ctNZCzSsWkdoRPVJGEg8lWpGbRs/Uaw3r0ZEb9r6JB252KEzkruTCw==
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

2026-09-17T11:59:30.387489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018862
observed 9328991d68e51fbe21dc37b671941bd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.370665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018862/manifest.json
observed d43900c900f146e92d0d4144ab4c4930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.351324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018862/publication.md
observed 845dc2525cf4097f2aadcc378b8e8a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:30.331723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018862/publication.txt
observed d9622b2c84f8cc125f7efc8e7b57b848...
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.