OpenTechnical

OT-2026-000024299

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000024299) never changes.

Identity and time

Publication numberOT-2026-000024299 · never reused
Internal UUID01a0ae70-e8c9-7ae4-9178-5bbd6438c202 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024299
StatusPUBLIC

Content hashes

Canonical text309b78c62c16f3ff1c6ffa7c2ca0a8dcd864c68a1946f12e8b862fe807a9e8ed
Markdowndde4f80a9f4d8e2e59f84b96ea85d1a0f087377a771f869f4924d7e3fbed7941
PDF
Publication pagefcb8ac4173a650972b1cfc21f9e99bfbe1fbcc9bf2081e33287806d3797f41e0
Manifest4f3adf26bba9fbd7b90bd91451ee8357ce4cbb309dc75fbfcc77cd302f103565

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
SignatureDv/REU3MPJZMBn6cF+j7qNssH1qrjK6WO7XuCYoRYsgSpq9JUPAQ7mD77TyhStuIA8nqwSxvO/n+qCoKJqzxAg==
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

2026-09-17T11:48:47.746942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024299
observed fcb8ac4173a650972b1cfc21f9e99bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:47.727694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024299/manifest.json
observed 4f3adf26bba9fbd7b90bd91451ee8357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:47.707217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024299/publication.md
observed dde4f80a9f4d8e2e59f84b96ea85d1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:47.685113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024299/publication.txt
observed 309b78c62c16f3ff1c6ffa7c2ca0a8dc...
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.