OpenTechnical

OT-2026-000073711

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000073711) never changes.

Identity and time

Publication numberOT-2026-000073711 · never reused
Internal UUID01a0ae93-2b8d-72e9-abb8-9ff0cfff0f32 · 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-2026-000073711
StatusPUBLIC

Content hashes

Canonical text80e32cd0a2d6d650c850810b9162925937809878078a7476a0073f33df724013
Markdown43fb77287c23a2f1096d5aeabe44c1326a0550f20b6bfa6017bd9eb0754d7881
PDF
Publication page4b967b072cc0f550092910204310197876a1723da99a1977e9f671b621c326fe
Manifestcbcc61d01dab70507bbe97379ab591692b7bf639451b65a6401b00e3ca4ff7f2

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
SignaturemlIa+Tfkx2utVexQ69edSbhTV32cLVCVDxAOgFLtR1XMP5Mf5JgQkYwgtLucmq5twLvKfDKuVtcLO74aKCUQCA==
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

2026-09-17T10:19:46.891259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073711
observed 4b967b072cc0f5500929102043101978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.871676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073711/manifest.json
observed cbcc61d01dab70507bbe97379ab59169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.852671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073711/publication.md
observed 43fb77287c23a2f1096d5aeabe44c132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.833692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073711/publication.txt
observed 80e32cd0a2d6d650c850810b91629259...
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.