OpenTechnical

OT-2026-000023484

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000023484) never changes.

Identity and time

Publication numberOT-2026-000023484 · never reused
Internal UUID01a0ae70-7269-7943-b4e1-a9c70a9ebb79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023484
StatusPUBLIC

Content hashes

Canonical text7c4a9a57a9fc6b26771ea18210136bf7e42a277582353d55fab69b2459b08525
Markdown3dbb617cb91554ee4939956667538ae6427207409f87aebc272c6accb7e47c4e
PDF
Publication page5728e9091f10bd5654e3fcf62e0b3df89745eb4ccd0c0d9352281b5a549946a6
Manifest00ef6f6f4912fb082a80f92ba26f05291bfc87c4ffeedcd754440a5c9bbc01f1

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
Signature6KfzIE/GSFvw8UJke5r0dlqEZOIrRj0wXEVma6o/YaeDlzxozMhTNzSJWaKdFOB9UjB3Gdi5Levc2NTvJUHIBQ==
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

2026-09-17T11:51:42.638209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023484
observed 5728e9091f10bd5654e3fcf62e0b3df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.620177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023484/manifest.json
observed 00ef6f6f4912fb082a80f92ba26f0529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.600918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023484/publication.md
observed 3dbb617cb91554ee4939956667538ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:42.573903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023484/publication.txt
observed 7c4a9a57a9fc6b26771ea18210136bf7...
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.