OpenTechnical

OT-2026-000074749

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000074749) never changes.

Identity and time

Publication numberOT-2026-000074749 · never reused
Internal UUID01a0ae93-ac2b-7422-818a-a6c13cfed6c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074749
StatusPUBLIC

Content hashes

Canonical text5e38c306b69230a2c6ba934638e7b24128c408d1400707a140e34d991fe952b2
Markdown8762ef6ea42bede01b78ef4c669b6c76efeaceba36fe39849e96fbf032670864
PDF
Publication page9a248a9b993369acacdcf8c2fac724e9b9c983dbf4e9cc12dad58fda46756f7c
Manifest3057725554a8a33ec756d88894055cfcc099fa279fd96c8ce18905c14aeb2582

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
SignatureTLfrVKB23q4DzO9rcY4wiN8VbcmJGgyTiyni15N8bgp0Qg5oHgHkh2r0tRYLo+0PzJATsnYAoOYQ95NyfQWjBQ==
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

2026-09-17T10:18:26.164771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074749
observed 9a248a9b993369acacdcf8c2fac724e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.145646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074749/manifest.json
observed 3057725554a8a33ec756d88894055cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.126889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074749/publication.md
observed 8762ef6ea42bede01b78ef4c669b6c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:26.106008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074749/publication.txt
observed 5e38c306b69230a2c6ba934638e7b241...
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.