OpenTechnical

OT-2026-000081763

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained 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-2026-000081763) never changes.

Identity and time

Publication numberOT-2026-000081763 · never reused
Internal UUID01a0ae97-0f74-787e-843d-cd34832984e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081763
StatusPUBLIC

Content hashes

Canonical textf9d4474e9846aac153bbc3724f2cd26e3c32e64f36ca913125a57a91179daeef
Markdown60ca92d71302d21179329a90f5e2f2693876b820607c8067dda2cc5d95532e9f
PDF
Publication page7fc6dda863c1131db55bbd30623688d7caba7724b90ed727316d6f380e611b7f
Manifesta07c36ce07a214c886030381daf6887862c6602c58f231ab25268a5b1dd8c4bd

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
SignatureQdLw3CJm5e7NegjtQxEf//OQrS0LWIhwdwmQunPYZmC8CxgEsXPc50sEb2GugR/RctzLRHD+oESbj1YmhviqBg==
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

2026-09-17T09:59:51.239800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081763
observed 7fc6dda863c1131db55bbd30623688d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.221352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081763/manifest.json
observed a07c36ce07a214c886030381daf68878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.202584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081763/publication.md
observed 60ca92d71302d21179329a90f5e2f269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.183061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081763/publication.txt
observed f9d4474e9846aac153bbc3724f2cd26e...
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.