OpenTechnical

OT-2026-000038008

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000038008) never changes.

Identity and time

Publication numberOT-2026-000038008 · never reused
Internal UUID01a0ae77-f88a-764b-85f5-1f95234f37cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038008
StatusPUBLIC

Content hashes

Canonical text73d1a5809c70649bcd93f0fc7c0955ee118b0afa4a81d5286840a7b3f85f0946
Markdowncbd467962712d657805c9532e6e2720d18ab59aa244c34aeb4970de76bb543f6
PDF
Publication page545d521fb7fe45b6f6b80a996158a43789eeb0f714ace6b426a2527ddab2256f
Manifest26add0a51703bee582097bf43d3b070d6df98eb15f56fdc6c52576e6750a57e1

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
Signaturec7Q6HL1tyzmvMqEJWH98VtLpHFDRdhkiqG5i2BuO/JAVVBQ+kW5s+P5y6k0o1H1S/wkb+CQCccDRbuYm0sLdBA==
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

2026-09-17T11:23:18.756817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038008
observed 545d521fb7fe45b6f6b80a996158a437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.740427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038008/manifest.json
observed 26add0a51703bee582097bf43d3b070d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.720321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038008/publication.md
observed cbd467962712d657805c9532e6e2720d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:18.697613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038008/publication.txt
observed 73d1a5809c70649bcd93f0fc7c0955ee...
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.