OpenTechnical

OT-2026-000052963

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000052963) never changes.

Identity and time

Publication numberOT-2026-000052963 · never reused
Internal UUID01a0ae84-a430-79c8-9a17-539d53059e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052963
StatusPUBLIC

Content hashes

Canonical textdf578983b77ae8cb94b835e070c246ce6c88d6a3a8d3730b4222291b054d9d1f
Markdown8126f0b0b2560256da7199e2deda6f90cd35768a16ab2a2e1f3f78e1ea171ebb
PDF
Publication page24a24431078c5c934668dbed2b2adbc27de046f718874c69846bb7c49cf3ac41
Manifesta482a4e826bc83bdfd9360d3d0534b5359337c5be425d4c9218e9ce76de04d88

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
SignatureH4/fgptRPzfoo3ij64CJeMMu4Tu5sNHHI+s4ln8VMYCjcXVGrAwaVRQJ6YP+YtmqsUJePKAvyTKSVwtKQJVrDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:38.865463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052963
observed 24a24431078c5c934668dbed2b2adbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.848216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052963/manifest.json
observed a482a4e826bc83bdfd9360d3d0534b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.830093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052963/publication.md
observed 8126f0b0b2560256da7199e2deda6f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:38.811038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052963/publication.txt
observed df578983b77ae8cb94b835e070c246ce...
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.