OpenTechnical

OT-2026-000073621

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073621) never changes.

Identity and time

Publication numberOT-2026-000073621 · never reused
Internal UUID01a0ae93-2b8c-7afc-8f04-d5b9958a4ccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073621
StatusPUBLIC

Content hashes

Canonical textb51a7baaf23c17099c9194d155c6279b0806adaba93ea2a1afb3f52176581010
Markdownd2dea0345387825b7dc34af301156328e4c4af26ada322850395accb5d887717
PDF
Publication page24cad490d5cbd80505c1beeccfb024c1d22631e3fb1769dd310f3741a3c58421
Manifest38e84c86b16a696a56c8c071eecec0d168a92e2e703055da8866b2969be1f25b

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
SignaturePdVHUybSWrQdzwSqfafA+8adfa4q75aKtaPd2IgKEgi8zJ7MjvFpM1LGCL3Y+B0Xfcoe1jBxAsjfv3BA+Jl9CA==
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

2026-09-17T10:19:39.650700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073621
observed 24cad490d5cbd80505c1beeccfb024c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.630563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073621/manifest.json
observed 38e84c86b16a696a56c8c071eecec0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.610950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073621/publication.md
observed d2dea0345387825b7dc34af301156328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:39.592560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073621/publication.txt
observed b51a7baaf23c17099c9194d155c6279b...
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.