OpenTechnical

OT-2026-000015156

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015156) never changes.

Identity and time

Publication numberOT-2026-000015156 · never reused
Internal UUID01a0ae6d-ef47-76d7-a6f2-650c1c00ad0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015156
StatusPUBLIC

Content hashes

Canonical text471ee8c659a047ae2506c1624f846908b36b7abeb2da585774a3b230c3883029
Markdown8e2378f47958fb455a49a39f90385ee64a256387049e7e1234c455b89164af7f
PDF
Publication pagede3f86ce8ce63e9fe60cdc79ee7cb661dea03788add5415e10c1916377d8e78e
Manifest68075d355728594623a2f64f606b7a704d08f61a2dffd5d3d75051bbd047b498

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
Signaturepi2gGcicjNAn1/15/AYPinDi9xM/BCHRtq2+tkHaUIIyV2HwC0AytiPYmjYM3++6NXNwVI62aylq2tOKEERaBw==
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

2026-09-17T12:05:46.024344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015156
observed de3f86ce8ce63e9fe60cdc79ee7cb661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:46.003542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015156/manifest.json
observed 68075d355728594623a2f64f606b7a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.983175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015156/publication.md
observed 8e2378f47958fb455a49a39f90385ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.964289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015156/publication.txt
observed 471ee8c659a047ae2506c1624f846908...
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.