OpenTechnical

OT-2026-000073787

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold 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-2026-000073787) never changes.

Identity and time

Publication numberOT-2026-000073787 · never reused
Internal UUID01a0ae93-2b8d-74cf-9b31-ce8a395db403 · 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-2026-000073787
StatusPUBLIC

Content hashes

Canonical text552c0e9ce6db8ae8bcb30dcffc9063af92f9e0ac5de038e80e4c72ed46413eaa
Markdown5675f92ee8244e65c379b8ba68cf6bbe584788864988c5b92a40ffc140f62ceb
PDF
Publication page17dbf3864d53874ca7adc01fa3c96606a386fc9efd70b5703ad1120bee55d683
Manifest01e302890c87da2aeaaec33ba4ec86fb61bac6dfd07525d33f4246efe077e9e0

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
Signature8HzWRnshYM3utunpD9TI10O7+nfuOanpYWbDb0o8aFOwmVOcZ4QbT6K1p1E7NnuAuMGYSFvmionR0TD56slEDw==
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

2026-09-17T10:19:53.848312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073787
observed 17dbf3864d53874ca7adc01fa3c96606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.829159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073787/manifest.json
observed 01e302890c87da2aeaaec33ba4ec86fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.807056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073787/publication.md
observed 5675f92ee8244e65c379b8ba68cf6bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.787784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073787/publication.txt
observed 552c0e9ce6db8ae8bcb30dcffc9063af...
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.