OpenTechnical

OT-2026-000032097

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off after 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-2026-000032097) never changes.

Identity and time

Publication numberOT-2026-000032097 · never reused
Internal UUID01a0ae74-bad3-7b6b-b6e4-8d3554d342f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032097
StatusPUBLIC

Content hashes

Canonical text145c8be2d942843a1eb833ec8b5ec3df80abd13303c269f63632aa42102738c9
Markdownf11cfd9244474beca6b90f9457164a633691c40ba7a6a4b71b54509344989b1d
PDF
Publication page3084c0b72e340160e4355a0cd70bb32b65b15fe729436d74a67eb0574205e3b1
Manifest63addebed6c23ed1c68f5c7f604b6b5386d936073dfac92163de4db9aba4cf78

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
SignatureKRa3k7TME3OGqizkfHw+QVBTSDXGuE9Sjw+IvsL0o7b+vOnziwoMbx4L6b9vWxe2AVHSIsBgaFlSIIw3j85NAQ==
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

2026-09-17T11:35:31.402314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032097
observed 3084c0b72e340160e4355a0cd70bb32b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.384609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032097/manifest.json
observed 63addebed6c23ed1c68f5c7f604b6b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.366766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032097/publication.md
observed f11cfd9244474beca6b90f9457164a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:31.349700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032097/publication.txt
observed 145c8be2d942843a1eb833ec8b5ec3df...
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.