OpenTechnical

OT-2026-000039144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000039144) never changes.

Identity and time

Publication numberOT-2026-000039144 · never reused
Internal UUID01a0ae78-9673-7c50-9aca-5aa386f4e063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039144
StatusPUBLIC

Content hashes

Canonical text96e86dac6b72da380cf2cdaaca97a0763b91944c6ca802cbf2bf52f97a794b1b
Markdownd2b4d44d2a3e809ca713044a9bd64a3cbbfd98506a4ff4296e1dd6bcecffaa95
PDF
Publication page42feb205707ab20e8efa9b6a560aaf4e32925daa185041fe786f7b981262a256
Manifestc91d66f719b4a2dc7a7f2747a5049f4084c5f14120d4d94152accc4b68299af8

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
SignaturedfLP51Y+s7nhnF2QfOrZaYZIoggGpk6Uec65Vuo8VjQfvJlm/xb09F8oX352KirvAEYC7ohEqhMsZNXERp6zDQ==
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

2026-09-17T11:20:39.362274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039144
observed 42feb205707ab20e8efa9b6a560aaf4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.343991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039144/manifest.json
observed c91d66f719b4a2dc7a7f2747a5049f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.326372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039144/publication.md
observed d2b4d44d2a3e809ca713044a9bd64a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.308893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039144/publication.txt
observed 96e86dac6b72da380cf2cdaaca97a076...
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.