OpenTechnical

OT-2026-000104100

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000104100) never changes.

Identity and time

Publication numberOT-2026-000104100 · never reused
Internal UUID01a0aea5-341f-7557-9bdc-ab0deb2c3aff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104100
StatusPUBLIC

Content hashes

Canonical textadabdd1b53b98c1dede49da7e1eb6420a2b4996fc6c7812c0190f9f132e18a26
Markdowna1671a6c50cb68e762fca115075badba1e6d97d9d719abe6b2ebc1038da6660d
PDF
Publication pagef701619942fc813ef8d921ecb1d6350017a63cc7fa60dd3097fe2073d3b338e4
Manifestf18072340d7700b5b77f8f90abd9181025d2389dcd6882a360a98ee78628078a

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
Signaturei4cJZ71d35vuYEktHDT08NtcqesqvXhapi9o3pQoPWNl0EgomwUYdrjSgUwE5HNsV2fkgzgu4uAGPoPkKl2YAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:10.326540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104100
observed f701619942fc813ef8d921ecb1d63500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.310109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104100/manifest.json
observed f18072340d7700b5b77f8f90abd91810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.293477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104100/publication.md
observed a1671a6c50cb68e762fca115075badba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.277170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104100/publication.txt
observed adabdd1b53b98c1dede49da7e1eb6420...
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.