OpenTechnical

OT-2026-000055585

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000055585) never changes.

Identity and time

Publication numberOT-2026-000055585 · never reused
Internal UUID01a0ae86-a103-7ede-a976-83fd4fe1f9ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055585
StatusPUBLIC

Content hashes

Canonical text1097cd2072a18ff1c36cfde600dacb4dc2bf0a6dd4bcd36aeb8e6122a44781fe
Markdownb65a07e81992b079c7378d1b697bfdba8f13914e0be984fc2df79f918f9c6d26
PDF
Publication pagee331be5d67ac3c63cfadbe4d659133db341c51186f8e4c84060f5e34284aaa4c
Manifest6f0a918aeb5dd53ffbdee15378b17d7e7998fffe6d73b8e6355daf0e561485b5

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
SignatureDf+mQl1oVaT3iXu92/KBxdpCoTmIC2tOloqFtxflbEK3OPV6s8bhUw13S9vGRvNszbKFMEjse3A4La3p9Bm9Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:49.371709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055585
observed e331be5d67ac3c63cfadbe4d659133db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.355469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055585/manifest.json
observed 6f0a918aeb5dd53ffbdee15378b17d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.339750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055585/publication.md
observed b65a07e81992b079c7378d1b697bfdba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.323017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055585/publication.txt
observed 1097cd2072a18ff1c36cfde600dacb4d...
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.