OpenTechnical

OT-2026-000087516

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single 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-2026-000087516) never changes.

Identity and time

Publication numberOT-2026-000087516 · never reused
Internal UUID01a0ae9a-cd51-728c-9245-b0363c326455 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087516
StatusPUBLIC

Content hashes

Canonical textee286c74a4a98355238ed27edc50613ddfa907a0c33f11d2cf8f5af70a82bd06
Markdownd1a4e652eb7e936b720e876dc5addfa856b773b24c5dc138f9862e5f6a543b73
PDF
Publication pagea367b0cf347dc2745be96b18ec748fbbfcdf2f3605df63415f04a33ddd014b11
Manifest3171906138cfd66292be37f736b5ea0c45c2727ba1ca5575185674a25d6f5b55

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
SignatureXYGYftMthv1C8bEpyggs/wAZJrpIBKX2bGq6Fmzd4NK5k7MJkPSiOKQvvYgbpcUgYEOe5qwYIRN6I32YolljAA==
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

2026-09-17T09:50:51.106032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087516
observed a367b0cf347dc2745be96b18ec748fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.089416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087516/manifest.json
observed 3171906138cfd66292be37f736b5ea0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.071266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087516/publication.md
observed d1a4e652eb7e936b720e876dc5addfa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.053806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087516/publication.txt
observed ee286c74a4a98355238ed27edc50613d...
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.