OpenTechnical

OT-2026-000069663

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069663) never changes.

Identity and time

Publication numberOT-2026-000069663 · never reused
Internal UUID01a0ae90-b52c-7d88-bda9-73fbdb46f3d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069663
StatusPUBLIC

Content hashes

Canonical text1784613755e35774543f10bfb011c677f1b7fcb31fbeba84ecafd3b4bf975c38
Markdown846a20473ef91d5df63751fb298a90aaa87c2023e5ac450cb76418dd086f5334
PDF
Publication pageac6cb2b9bce978de5278f23eea4600e673b5b3c997951f80d90a60269ac67014
Manifest67894fa2a5c3f124140e1cfc8efffe72437977aa647e1f1bf050a856f437ef72

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
SignatureLYj844OB/UFGyHRJdB6G3qqdedHcTFIBMAKpYBePJB/hnUGmONdStNAVfy3ZNyAPX2tQFSc5YaZMhou/KlbzCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:19.940540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069663
observed ac6cb2b9bce978de5278f23eea4600e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.923058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069663/manifest.json
observed 67894fa2a5c3f124140e1cfc8efffe72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.904960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069663/publication.md
observed 846a20473ef91d5df63751fb298a90aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.886568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069663/publication.txt
observed 1784613755e35774543f10bfb011c677...
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.