OpenTechnical

OT-2026-000044057

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000044057) never changes.

Identity and time

Publication numberOT-2026-000044057 · never reused
Internal UUID01a0ae7b-d679-73f7-a33c-43f12b01ce77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044057
StatusPUBLIC

Content hashes

Canonical text3a608903e4221528f833c329299a6b641d1722136fd0f269518e3bd3ae2a2252
Markdown589e0832bc3000516040801bfd6f552aa2abd4b493bf11faad37d74748e6631c
PDF
Publication page9b95f31e7ec24351c1d4d69f789a55a2998b53f74f04080bc01a79a8114fc7ee
Manifest37ef12a8ade062650d9ead668e4cd8cb610422fb6e4739c136c49a9eb2c899b1

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
SignatureS/kbWxN710vJJD/r58YqMO34BdV0hobS4NRY1N1TKNaJlDjRL/asByldgKyFcbp7cDgluyNLsmz1K1RfaTWeDQ==
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

2026-09-17T11:12:27.188785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044057
observed 9b95f31e7ec24351c1d4d69f789a55a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:27.170440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044057/manifest.json
observed 37ef12a8ade062650d9ead668e4cd8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:27.151769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044057/publication.md
observed 589e0832bc3000516040801bfd6f552a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:27.133152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044057/publication.txt
observed 3a608903e4221528f833c329299a6b64...
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.