OpenTechnical

OT-2026-000078743

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078743) never changes.

Identity and time

Publication numberOT-2026-000078743 · never reused
Internal UUID01a0ae95-ccbc-7d76-988a-0b11dbe05003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078743
StatusPUBLIC

Content hashes

Canonical text835fb318e5f4176df3b247eaafdb2517c68b368f5fb07a66be7ac7c045befa6f
Markdowncc84acd19dc85783adc843292c48887c8162ae69e34775ec2a479c416800f6ee
PDF
Publication pagead76a55a608110d5d8a435d92b1d6d683dec1a86e3aa0d1f83072e69e144a0d7
Manifest44e1db250bc9b954f3a85744cbdf00bb54495a201b01e398bc63babbd2c9d0de

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
SignaturencT1UtSa9dNWDffXZqpQLkPTZ5NJim6owwPjoTNRuPqbTCI8kRda49O6m8Ngny3Q40pvuzGUCI+92ayQB1UcDw==
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

2026-09-17T10:05:31.652961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078743
observed ad76a55a608110d5d8a435d92b1d6d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.631387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078743/manifest.json
observed 44e1db250bc9b954f3a85744cbdf00bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.612103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078743/publication.md
observed cc84acd19dc85783adc843292c48887c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.593479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078743/publication.txt
observed 835fb318e5f4176df3b247eaafdb2517...
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.