OpenTechnical

OT-2026-000063212

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000063212) never changes.

Identity and time

Publication numberOT-2026-000063212 · never reused
Internal UUID01a0ae8c-94ab-7c2a-a30f-b810f01eb32d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063212
StatusPUBLIC

Content hashes

Canonical text6fcfc5599d7f3c620099ed24737996ac3cc5c0ca12574cc46a15bcaf2a3e7727
Markdown42b6f18b18cd805402a7827cd64eb0ba5d6267ba69b28b98b3d1306575a9f166
PDF
Publication page4a865675e76e88eb41928dee495cdf6419fa98b968063b41bcdcf890e1d15969
Manifest060ad0a6bd09477aee25717dda9e5351d0ed4e936c0413b942bf7d15c372dc2f

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
SignaturecrrGlsaVX0D9waCEwQ1U0UKoZ3XbZmNcZCBkpU3/oNThKlqLehZ8btu+bygZbyXAte7TwwAg7xLoTWCsYyVGCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:05.223775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063212
observed 4a865675e76e88eb41928dee495cdf64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.205024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063212/manifest.json
observed 060ad0a6bd09477aee25717dda9e5351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.188500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063212/publication.md
observed 42b6f18b18cd805402a7827cd64eb0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.171274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063212/publication.txt
observed 6fcfc5599d7f3c620099ed24737996ac...
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.