OpenTechnical

OT-2026-000047878

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047878) never changes.

Identity and time

Publication numberOT-2026-000047878 · never reused
Internal UUID01a0ae7f-c421-7769-80e8-b53de3d8aebb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047878
StatusPUBLIC

Content hashes

Canonical textfabe6f561726bd473a5e43cee969c72d2802ed587c0b1670409d3d05daf8057e
Markdownf2ef3d1f0cdcd687fae96ded926074c5e6202a5af43f290608393c172c006d7d
PDF
Publication pageee5e5cd6f2f31fcdb9a1038eb901c41244948015ebde8279cebc25f5a18c054f
Manifest8b225a4b57544164c9b2bb68b1b2d32152b7805fe390a375122968a37314e035

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
SignatureUJHObZw/gGUclgNQyCLEQ3YoXwT9schWV6ZLY723mZHn24afR/A9NtuvT+pMy38a1j6Vguco7dTGbzWegFBaBA==
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

2026-09-17T11:05:48.489661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047878
observed ee5e5cd6f2f31fcdb9a1038eb901c412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.469282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047878/manifest.json
observed 8b225a4b57544164c9b2bb68b1b2d321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.450802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047878/publication.md
observed f2ef3d1f0cdcd687fae96ded926074c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:48.433563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047878/publication.txt
observed fabe6f561726bd473a5e43cee969c72d...
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.