OpenTechnical

OT-2026-000081491

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000081491) never changes.

Identity and time

Publication numberOT-2026-000081491 · never reused
Internal UUID01a0ae96-f375-7654-a2cd-07b6595eacb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081491
StatusPUBLIC

Content hashes

Canonical text650dcd576f1bc3e0e5991bbf8adc8d7e7b3a583c61a119a858f3dc380f6d7ec2
Markdown071f59c0dd74fcf3409b4215f709cc5183ca8eb487489b668b71d13b63638919
PDF
Publication pagefb29cb4c5df321ab5631f0874a74c6ca66006fc447e20aa71dd588053c01eb7f
Manifest6968cbbd1717c0952183f064599e0d320c7318f415b33737a9cf586c91e8bb14

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
Signature23FA40naTXhO/gN9ErplaexVDmboKYtypL7ouf7QuRKpGax4+6PgE2cnVolQv8JwLDg1M3PC7LrZmotaEcmfDQ==
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

2026-09-17T10:01:39.650993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081491
observed fb29cb4c5df321ab5631f0874a74c6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.632547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081491/manifest.json
observed 6968cbbd1717c0952183f064599e0d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.614077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081491/publication.md
observed 071f59c0dd74fcf3409b4215f709cc51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.596523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081491/publication.txt
observed 650dcd576f1bc3e0e5991bbf8adc8d7e...
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.