OpenTechnical

OT-2026-000042390

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off after 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-2026-000042390) never changes.

Identity and time

Publication numberOT-2026-000042390 · never reused
Internal UUID01a0ae7a-5d74-72d5-81b3-c771b3a7d071 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042390
StatusPUBLIC

Content hashes

Canonical textbd8f0642b286366ab9dfa27470a02a8dc5f28eabe35122380c7978881d0a777f
Markdowna9a321bf8b31d8e5760512ca28bdd2c265086319032fca00baad721c4db1ab51
PDF
Publication page5289ebee741f25a357c272d2bd80482014517d8e3205a04a8ad055d468cbb24c
Manifestf7d7f437e781a3a817f54f83bc2075fda498a11096a2545be29b1c16b048c259

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
Signaturet3nuqhznhs1ztS5YWL2FJ5+5+jj8e/VT+VVvwfCbyywlu5lC+ANd17l6i+8Q0bWVsYFox5+dOmj87eEMElYICw==
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

2026-09-17T11:16:11.008482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042390
observed 5289ebee741f25a357c272d2bd804820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.990832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042390/manifest.json
observed f7d7f437e781a3a817f54f83bc2075fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.973336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042390/publication.md
observed a9a321bf8b31d8e5760512ca28bdd2c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:10.955659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042390/publication.txt
observed bd8f0642b286366ab9dfa27470a02a8d...
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.