OpenTechnical

OT-2026-000060410

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000060410) never changes.

Identity and time

Publication numberOT-2026-000060410 · never reused
Internal UUID01a0ae8a-b7cb-7783-96b6-6eb2430ee496 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060410
StatusPUBLIC

Content hashes

Canonical texta9862bbd5e91d9f66dc24bf74eed6e25f9d0bb79f063b3a803b43f0859d578f6
Markdownd61a2efdfda3f0154b2d482bb76c9abb9fcca371487c6ad45e3f395d2dfc15fe
PDF
Publication pageb946347674d0be55c22340344555d4e294bc5d413aa448b4f5d0e0f33897e748
Manifest9bc304fd50a3cec8bee02cf999f6f19d86bc989ed3e4752c4514589f39a9df6d

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
SignatureWTUF/+NzwJoWnxD8IGqeP9wB9y7mPMG0k64CTuGi3YCkpPMVXU6FPoC1xyZOt3533DwLzPkklZJ1Ex8wSh8vBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:52.841904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060410
observed b946347674d0be55c22340344555d4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:52.821519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060410/manifest.json
observed 9bc304fd50a3cec8bee02cf999f6f19d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:52.802704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060410/publication.md
observed d61a2efdfda3f0154b2d482bb76c9abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:52.784475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060410/publication.txt
observed a9862bbd5e91d9f66dc24bf74eed6e25...
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.