OpenTechnical

OT-2026-000072387

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two 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-2026-000072387) never changes.

Identity and time

Publication numberOT-2026-000072387 · never reused
Internal UUID01a0ae92-47c3-7412-b2c3-71bef69de028 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072387
StatusPUBLIC

Content hashes

Canonical textda4c6633ad3d7e647dfe33c32201dae8fb7a08855bd8c0bd48ea4cbfe8cbbbfb
Markdownd4027dc43c2b02ea35b3cea6a8362f90c4f57df9c295931d2a73bfdfa90a304d
PDF
Publication pagecd00caab047c2ba6852f3e885f34ccff1496dcf61f7ba52995dcf2aaec7d74f8
Manifest62fb6f8357ff6953db30e41a7226a11124310d67430cc2301c717a2dcca77a52

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
Signature0hF9RtrLIrXJopPnn4iapwc1eyLiL3K+p4+zOR3gTJTddVvneMj9gzz3dDgFU6a1Q5ARZjjE4zimJdaCt+4sAg==
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

2026-09-17T10:23:37.540419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072387
observed cd00caab047c2ba6852f3e885f34ccff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.523720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072387/manifest.json
observed 62fb6f8357ff6953db30e41a7226a111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.506803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072387/publication.md
observed d4027dc43c2b02ea35b3cea6a8362f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:37.491286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072387/publication.txt
observed da4c6633ad3d7e647dfe33c32201dae8...
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.