OpenTechnical

OT-2026-000005111

Publication integrity record

Bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure verified

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-2026-000005111) never changes.

Identity and time

Publication numberOT-2026-000005111 · never reused
Internal UUID01a0a92e-3475-7ae5-a78d-6e5a1b9f06f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:12.728217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005111
StatusPUBLIC

Content hashes

Canonical text2fec6f206c16d696400a49d6b70cb2aeb4aa80f24c59a64bfb70b381a676958f
Markdown0f34a212c7dc44f1318b410a04d694b9295edc4980df8377f94c61b967aba7b0
PDF
Publication page40ae99ebe8fb9488efab066920644d23a03d27b8e91d4675d9578e06a3fd98bd
Manifestb4a377bfff509534a9123b240cbfe1fe6a75b7f8535ea3d2660e71521f39baca

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
SignaturekMHYDyia6ZkA30/cHJFuHLRruZR1UVzIL0IYoYuVB+i6McoEwauCo1ORt+WLqLLN0w2ELHRlBTAIATOKP+jlCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:14.383121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005111
observed 40ae99ebe8fb9488efab066920644d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.371192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005111/manifest.json
observed b4a377bfff509534a9123b240cbfe1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.228730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005111/publication.md
observed 0f34a212c7dc44f1318b410a04d694b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:14.211587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005111/publication.txt
observed 2fec6f206c16d696400a49d6b70cb2ae...
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.