OpenTechnical

OT-2026-000075627

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000075627) never changes.

Identity and time

Publication numberOT-2026-000075627 · never reused
Internal UUID01a0ae94-29fd-7739-8d39-d20d42a1321e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075627
StatusPUBLIC

Content hashes

Canonical text25d8d8203f4556a879266b51cbb1aad5de2c468aa0f6f8951bae48fab834874a
Markdowncac441b22d76be29a5ba82574e9a341384d4e82d2c7c8435b56185acc3e58c44
PDF
Publication page152e026378f410e21861caed4ec43d835e93cd2ddf654192741509ddaedd9075
Manifestd17f018f6e5e58aa017abcf606f241a0c7e51cfc8d272d7cff626df39d31106d

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
SignatureeEqgig3OHAayPkHc2gWtTfoFSaQHYws5DKzPyZ6VlevsjHkow51CMs6jfxU2wNullA84zQ39JhlUEqV8y+qCBQ==
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

2026-09-17T10:13:21.046842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075627
observed 152e026378f410e21861caed4ec43d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:21.029702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075627/manifest.json
observed d17f018f6e5e58aa017abcf606f241a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:21.011572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075627/publication.md
observed cac441b22d76be29a5ba82574e9a3413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:20.992692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075627/publication.txt
observed 25d8d8203f4556a879266b51cbb1aad5...
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.