OpenTechnical

OT-2026-000072279

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000072279) never changes.

Identity and time

Publication numberOT-2026-000072279 · never reused
Internal UUID01a0ae92-47c3-7610-92cc-90433a0669b6 · 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-2026-000072279
StatusPUBLIC

Content hashes

Canonical text1d87d6df696dc45bccde8f61d2f6bea905397c57e46d5e6e0058f327ad9f379c
Markdownd6cfdd0385b3424198fbf0ea63dcc8904f36dc0b95a6fecf30c498840cf250ee
PDF
Publication page48cb2450383586e04bfdf4d3593486516bdf5c48891af1ed3a9dbb6eb888ac1a
Manifestebf5b8ea4a7fbfa8782b54882c7c74238b38f7c1f9b5f07d98a67d453ca9c047

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
SignatureD3vfncAjysXVfxjMtIPY1VQtcDav25737ke6HK/fO196o3utr0w/MWbr+eNzSk1eiVBlpM7RbwzFQHcXap8BAg==
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

2026-09-17T10:23:23.618710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072279
observed 48cb2450383586e04bfdf4d359348651...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.600389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072279/manifest.json
observed ebf5b8ea4a7fbfa8782b54882c7c7423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.581354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072279/publication.md
observed d6cfdd0385b3424198fbf0ea63dcc890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.561439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072279/publication.txt
observed 1d87d6df696dc45bccde8f61d2f6bea9...
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.