OpenTechnical

OT-2026-000080321

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000080321) never changes.

Identity and time

Publication numberOT-2026-000080321 · never reused
Internal UUID01a0ae96-7e77-754b-bdfc-60c23797fc0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080321
StatusPUBLIC

Content hashes

Canonical texte41a97e7486577b37e34c602d8c8a7858dcc3c364716251560926b8f2b0f0ee1
Markdown9a7c85d396f3385c4a3511947b31e6c150535f9c9673218ff9c876970b811af6
PDF
Publication page8b845e73da3e1ce9efcc1f98894ff79e60b0db93e06c2ba23ccc3a90e9bd56a6
Manifest8fb6dcaf0059192e04618edfe85a668eeb8d72c8c8351aa18fa29c5ce7caca99

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
SignaturemhEH0xOWlx8I/Zl8Alq6EnScOYnhRlXn2as7cTWPCBNymqT2yYoqYzI5hDT9ScGEJvvwSMhSzbZ3fJPPSEhNCA==
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

2026-09-17T10:02:47.694516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080321
observed 8b845e73da3e1ce9efcc1f98894ff79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.676798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080321/manifest.json
observed 8fb6dcaf0059192e04618edfe85a668e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.659557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080321/publication.md
observed 9a7c85d396f3385c4a3511947b31e6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:47.642351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080321/publication.txt
observed e41a97e7486577b37e34c602d8c8a785...
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.