OpenTechnical

OT-2026-000054145

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000054145) never changes.

Identity and time

Publication numberOT-2026-000054145 · never reused
Internal UUID01a0ae85-b3a8-7ed1-bffe-27320eb7e148 · 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-2026-000054145
StatusPUBLIC

Content hashes

Canonical text96e2ecfbdbb829f264943bf99f6d67835c8fec44ef99ab37990d69be4625823f
Markdown10f2cff20d2aba950b2ff6520b08945f1eecc18c22f29a32f476e9e42e8974b3
PDF
Publication page563af6058d368ca4a4f36a8454552f5fde48d326b218ca27ff238ab1b512eec1
Manifest9372ae7106c95cdbbd3f2ea40f0f2fcb3841419bb75b4e0cbf5ec93335dfc923

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
SignatureGkEhsAAawAgQpkeQHJMwBWjT/fRhaOk0+8Yj7jL72yAQUpl6NbYDJFsIKPpJ1vgmAeT3qNd6pRIwYTsvBySTBQ==
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

2026-09-17T10:54:34.856256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054145
observed 563af6058d368ca4a4f36a8454552f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.839828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054145/manifest.json
observed 9372ae7106c95cdbbd3f2ea40f0f2fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.822169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054145/publication.md
observed 10f2cff20d2aba950b2ff6520b08945f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:34.805244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054145/publication.txt
observed 96e2ecfbdbb829f264943bf99f6d6783...
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.