OpenTechnical

OT-2026-000044971

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000044971) never changes.

Identity and time

Publication numberOT-2026-000044971 · never reused
Internal UUID01a0ae7c-911d-74dc-9457-fc4541c4a439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044971
StatusPUBLIC

Content hashes

Canonical text6df6ad5779e8bee80f2dff78fea572f9435689df7b7fecdd1900688d7bd7371f
Markdown37576717f00cae570a9a244903545bf3253b6c59165cfcef2bdf2c082f88ea09
PDF
Publication page97588c02d0b443272910456a673306d5a05bb334b6c968c1d7abdc39ff1815d4
Manifest6375c1bba393354d37c9bbd70951bc13d1029429329a4a69e10367310c36bbd4

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
SignatureVsURkPUn+MkZusWlhojxqFD3iD7MAj4CIBvmubHmSZBarFz5K7dm9zSeee4duN5RK4IGFe8Z5OvEVOZCXMSBAA==
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

2026-09-17T11:11:39.554271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044971
observed 97588c02d0b443272910456a673306d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.537617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044971/manifest.json
observed 6375c1bba393354d37c9bbd70951bc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.521390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044971/publication.md
observed 37576717f00cae570a9a244903545bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:39.501569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044971/publication.txt
observed 6df6ad5779e8bee80f2dff78fea572f9...
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.