OpenTechnical

OT-2026-000085558

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, sustained 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-2026-000085558) never changes.

Identity and time

Publication numberOT-2026-000085558 · never reused
Internal UUID01a0ae99-aaac-708b-864c-9436825d3def · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085558
StatusPUBLIC

Content hashes

Canonical text22b65532d445b4a51e596ce7acae5c8b53e4d731b02dc637f5857a4707a802a6
Markdown1645e537d313a7a3dda8a7d027811b6aa53f432413236dba621a579699fbe8d3
PDF
Publication page0846ba084402d873b5adde0e8cd4c45b8f4a9083b0c6e6690f35dc6878076d37
Manifest99e2152dbf28bfe8a598eb1a9eb32ea255e95d0ded3d5a9e53f976777c57332c

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
Signature3HFIGm8WaeREMifubtMN4FXeHABkI7MGT737w68pmRgC7KN2Wks8AKgEixz9m8fCYBwIZ7G3bi/M7XZEPvY2DA==
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

2026-09-17T09:54:20.527008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085558
observed 0846ba084402d873b5adde0e8cd4c45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.510510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085558/manifest.json
observed 99e2152dbf28bfe8a598eb1a9eb32ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.493218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085558/publication.md
observed 1645e537d313a7a3dda8a7d027811b6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:20.475056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085558/publication.txt
observed 22b65532d445b4a51e596ce7acae5c8b...
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.