OpenTechnical

OT-2026-000053407

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000053407) never changes.

Identity and time

Publication numberOT-2026-000053407 · never reused
Internal UUID01a0ae85-0a8f-7a87-9412-43454211b12c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053407
StatusPUBLIC

Content hashes

Canonical text2b775b16dc0952eae14e634437b198f769475b697f284937d672a785dee20636
Markdown3c15b1c452a899fad0d8fbf098b98d8a5268fa7e795a7a0dcd61b9148e693423
PDF
Publication page3ce3713be8fd12f785d4207544360c4401fb4658b2f0ac82c9db21ceea0214bf
Manifestc7aec70ce6db730e93cf07701e4c15d80453ac0e5af12dcf0f2ca695a4308fa0

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
SignatureikSEKq8F/BJflnIlH3V8BMCohgu0faLZcnfJ4UdxJArie8P95tne+KaRIrTJ5AzFC0GSTJI87mT7vXX1TJI0CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:08.121479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053407
observed 3ce3713be8fd12f785d4207544360c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.105046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053407/manifest.json
observed c7aec70ce6db730e93cf07701e4c15d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.087620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053407/publication.md
observed 3c15b1c452a899fad0d8fbf098b98d8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.070279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053407/publication.txt
observed 2b775b16dc0952eae14e634437b198f7...
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.