OpenTechnical

OT-2026-000014480

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000014480) never changes.

Identity and time

Publication numberOT-2026-000014480 · never reused
Internal UUID01a0ae6d-b27b-7d64-8fdf-dcb4743693c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014480
StatusPUBLIC

Content hashes

Canonical textf6d6433494b01318bc5702c2aca2bf8199d83c70228f8cf3f359c648baedef6a
Markdown6262644759c232a9b5a5963d1c59327012db0a4a22491fb1753e94480b5f3ac1
PDF
Publication page87cfdf3be2358198007bcd82e649f8fa3bb33d2d212a5eda3ef673e44886ac4b
Manifest3c78dbbf1afbda834b2caf4af513fcfc4fa9f59cfa3338e01b08f73862fffdbb

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
Signature5H6USKdaw5gy3XoX+NlNkCtRjE5t+QAD6525UxEvQakJ8Z8COHQk+EYEA/rRVblTXjLQCh4xmZoqB9vOv/oMCQ==
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

2026-09-17T12:10:17.728718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480
observed 87cfdf3be2358198007bcd82e649f8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.710832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480/manifest.json
observed 3c78dbbf1afbda834b2caf4af513fcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.692379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480/publication.md
observed 6262644759c232a9b5a5963d1c593270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.672548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480/publication.txt
observed f6d6433494b01318bc5702c2aca2bf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.811523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480
observed 87cfdf3be2358198007bcd82e649f8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.796303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480/manifest.json
observed 3c78dbbf1afbda834b2caf4af513fcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.781005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480/publication.md
observed 6262644759c232a9b5a5963d1c593270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:21.764844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014480/publication.txt
observed f6d6433494b01318bc5702c2aca2bf81...
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.