OpenTechnical

OT-2026-000087993

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087993) never changes.

Identity and time

Publication numberOT-2026-000087993 · never reused
Internal UUID01a0ae9b-1aa6-7633-bbc5-ad43111b62ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087993
StatusPUBLIC

Content hashes

Canonical text1a09e2edd7e1498af906b49ae052cd9f78407a16d2005671de0045554a8b5661
Markdown80c4ad324afbfc0b6935de24f82b0b2b61f8f4a7f2e500bb53c4e693577e2b4c
PDF
Publication page32020bf73615938a76ab756b9b2f97bad5f296e64d39a8f87fce5b214469be00
Manifestab1f06c1281a7a45e9587fec8384402eceb8e5fa0a776f72ac0248e12e539e18

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
SignatureMuf4BNAoDBSHwyy5ToGZqx3mKz48vLHmPp4ZIb9ct9syffUXZyYkgfBpRgdJj5V//XJIrxMqb0bx9X9JunspCA==
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

2026-09-17T09:49:17.844008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087993
observed 32020bf73615938a76ab756b9b2f97ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.826645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087993/manifest.json
observed ab1f06c1281a7a45e9587fec8384402e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.809325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087993/publication.md
observed 80c4ad324afbfc0b6935de24f82b0b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:17.791738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087993/publication.txt
observed 1a09e2edd7e1498af906b49ae052cd9f...
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.