OpenTechnical

OT-2026-000047576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000047576) never changes.

Identity and time

Publication numberOT-2026-000047576 · never reused
Internal UUID01a0ae7f-3e59-7db3-89cf-ca155c37d781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047576
StatusPUBLIC

Content hashes

Canonical textd73d2ac2dc0c13103fce7f564ee25b2469479f9e0f721f2ce3ebffd0dd26b77d
Markdown54148028c999e3380cb75ba758ed7d483dfac2d913060ddd0441bbbb6ffae879
PDF
Publication page0c4108067ba1ca43df3a92fd899c5652fac0754ac0f1619b2dd0f3d1160210c7
Manifest8ec3bd323e344610857da94c979e5c9e76ec43e660ae2df274e21f451ebbc1f7

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
SignatureJTXcUDfwrRdPNGGxxMDT2NeN5QOsxukdP9xlBuCXnojytDm11f2KJN9OBLh3D3XblxcPoe2DCJ3pGKlTb3kXAA==
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

2026-09-17T11:06:42.275666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047576
observed 0c4108067ba1ca43df3a92fd899c5652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.257304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047576/manifest.json
observed 8ec3bd323e344610857da94c979e5c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.237959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047576/publication.md
observed 54148028c999e3380cb75ba758ed7d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:42.217851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047576/publication.txt
observed d73d2ac2dc0c13103fce7f564ee25b24...
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.