OpenTechnical

OT-2026-000012174

Publication integrity record

Four pad foam vacuum gripper, 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-2026-000012174) never changes.

Identity and time

Publication numberOT-2026-000012174 · never reused
Internal UUID01a0ae6d-39f5-7712-93bf-1f4ada0880e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012174
StatusPUBLIC

Content hashes

Canonical textb142713e38262d2d55c558d016bfd364685e84fbf2837449e735a7775982701d
Markdown7b9bab14ba9f74ee124a1ed1c254c66ff0e5982c65f5baeeaf38eac929b76de4
PDF
Publication page415088a3e9483dea687abf751fd50a76e0e08da374d7ea392daed858aac43cae
Manifestd4e3d7da3f4f7d3ba38116f2a1b897983a60c9fb0c86fd45c53b124ecf979d7a

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
SignatureIHrTWYhu3WWuHSxXj9BWvfR66LMpoqnq04l151hPMYn46VfVR15Ws/c8J5tk2W7rD2Brpp75yOx7g6QRCdzEBg==
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

2026-09-17T12:11:04.568255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012174
observed 415088a3e9483dea687abf751fd50a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.550626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012174/manifest.json
observed d4e3d7da3f4f7d3ba38116f2a1b89798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.531896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012174/publication.md
observed 7b9bab14ba9f74ee124a1ed1c254c66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:04.512658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012174/publication.txt
observed b142713e38262d2d55c558d016bfd364...
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.