OpenTechnical

OT-2026-000054291

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000054291) never changes.

Identity and time

Publication numberOT-2026-000054291 · never reused
Internal UUID01a0ae85-b3a9-7127-83dd-8a47818ef470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054291
StatusPUBLIC

Content hashes

Canonical text634f4b0c573146280ee47e3f2a3455c28aebf0069086d1db45319d348d3d12f8
Markdown4d12517fb96ef0044dd7cb8f20fb3597737755145f96fa57aec175251ff7a056
PDF
Publication pagefc836aef9cc22b82fdda30df40abab5779324bac9aa1f30950be653dc26d2c8a
Manifestd85f06248d3c50b61472a26d0a60b057501aa5a241321a4d7279387b25950bfe

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
Signaturexuonrp4HBgbITSDZrqE5A/GwngKWjivEsNPcFxhIhQQubmusaSZyl8pLC61IY+sn1ZoJMz7RNgLIwCZJRDayDw==
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

2026-09-17T10:54:47.441872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054291
observed fc836aef9cc22b82fdda30df40abab57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.423596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054291/manifest.json
observed d85f06248d3c50b61472a26d0a60b057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.404985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054291/publication.md
observed 4d12517fb96ef0044dd7cb8f20fb3597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.386918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054291/publication.txt
observed 634f4b0c573146280ee47e3f2a3455c2...
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.