OpenTechnical

OT-2026-000054467

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000054467) never changes.

Identity and time

Publication numberOT-2026-000054467 · never reused
Internal UUID01a0ae86-1282-70e5-b7b8-5712e133b7bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054467
StatusPUBLIC

Content hashes

Canonical textb8112e827bfd9d196445f5349ae8146494cd001d321411a02bc024824823086a
Markdown93d8781d33393635c54f5f08562556663ca33e76ee220c7a864e090a7535560e
PDF
Publication pagef332501e65e10d472435a82781dba63d0d1ddb9f2c8ba14b5ee8c24123b9ac01
Manifestae6208a90b8f6a4bad66451c720626b13c4706f05e8a1050b2bed864edd4f08b

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
Signature+Xs1TOzph2Lpo9R7ysw8XgDpo7adb5kDuEmfvXkTn/JQ95WlcipRkZv8/YL9Xc0VlKWUbioCizSRmNlfg4SYCQ==
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

2026-09-17T10:53:27.661498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054467
observed f332501e65e10d472435a82781dba63d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.644898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054467/manifest.json
observed ae6208a90b8f6a4bad66451c720626b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.626499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054467/publication.md
observed 93d8781d33393635c54f5f0856255666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.608459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054467/publication.txt
observed b8112e827bfd9d196445f5349ae81464...
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.