OpenTechnical

OT-2026-000018077

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018077) never changes.

Identity and time

Publication numberOT-2026-000018077 · never reused
Internal UUID01a0ae6e-96fd-7a77-a3d8-594365d88e7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018077
StatusPUBLIC

Content hashes

Canonical text9210ed20d69f0a37a5f896302f3c7720355ea8b6310ef6b7bedb708a26775f13
Markdown6d6d177ec0c3a66cd4f3ce3f79f1010cdfbed809969076d74dbfbddf8422907f
PDF
Publication pagec8812336016800905f03fe0d84e8357f205e5283076dda270197c4a47a0fd057
Manifest7a1745939bf301b1b6b9b68d4474a98f41c78c7c45a625a71e69136da9e15429

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
Signaturebeh/8k7z/28LL0ke6bM9cemw/uOmlO6IcGN8dLgL0Hwo7Ga7FOuMwFff+WPmz1LZokg525exTIzpNukzbWqDBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:07.139380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018077
observed c8812336016800905f03fe0d84e8357f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.121895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018077/manifest.json
observed 7a1745939bf301b1b6b9b68d4474a98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.103288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018077/publication.md
observed 6d6d177ec0c3a66cd4f3ce3f79f1010c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.086000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018077/publication.txt
observed 9210ed20d69f0a37a5f896302f3c7720...
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.