OpenTechnical

OT-2026-000005077

Publication integrity record

Bellows cup vacuum gripper, two zone face, six 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-2026-000005077) never changes.

Identity and time

Publication numberOT-2026-000005077 · never reused
Internal UUID01a0a92d-1fc1-7dfb-9d00-35f414d5122b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:01.891942Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005077
StatusPUBLIC

Content hashes

Canonical text4ddb6b800d25d6a3bddecd8ac7d97eb7523f58a919aa83a5769bce75084303af
Markdown4b048a055abcb35b1497c85070cdbf2e5a2647776b34b988e24113cca5a55976
PDF
Publication page32fd79bdfd8ec99e968831456dfa5202db964e129cb9432285c44ac93010d51a
Manifest6ac2a1c7b0c7b1ab00d58174bb54e020d9479e9ac3dd6f1e259e69378f746ad8

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
Signaturewt0Hac6dgIC2UFPr++SAGGtnGt5X8YaLM/drk3PHUdSKlok+qv0eSSZC+WblPdEu7z1xpTAEaFQGHKx/XZAGAg==
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

2026-09-16T07:50:17.973666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005077
observed 32fd79bdfd8ec99e968831456dfa5202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.959556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005077/manifest.json
observed 6ac2a1c7b0c7b1ab00d58174bb54e020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.944319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005077/publication.md
observed 4b048a055abcb35b1497c85070cdbf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.932208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005077/publication.txt
observed 4ddb6b800d25d6a3bddecd8ac7d97eb7...
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.