OpenTechnical

OT-2026-000023879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000023879) never changes.

Identity and time

Publication numberOT-2026-000023879 · never reused
Internal UUID01a0ae70-aed6-739f-aea3-9dd4756d9001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023879
StatusPUBLIC

Content hashes

Canonical text1732db6846730622e3acedd8de6b52901e4555be395138586f2b45265a008ca0
Markdowna09a67af7a7e6f754618458068098cae7f5d1bb2ecc32535440a4226575b1423
PDF
Publication page41b527596c960eda830dd0eb09cdd697089a6276e8c2e2c55420dbe26cf2049c
Manifest32261eeb701a6838789f500d4e486290f40880d0f45595368e7e58e7a0406cce

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
SignatureKKy6y4jylxTEIwfe+DQYURfitbr+heWm7SD/QP6xoeoPywmFZptIpmQ8p0jc4OvdizVdn3n8oulAOCKMy6xEAg==
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

2026-09-17T11:50:29.285190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023879
observed 41b527596c960eda830dd0eb09cdd697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.263727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023879/manifest.json
observed 32261eeb701a6838789f500d4e486290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.242972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023879/publication.md
observed a09a67af7a7e6f754618458068098cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.220088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023879/publication.txt
observed 1732db6846730622e3acedd8de6b5290...
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.