OpenTechnical

OT-2026-000059780

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000059780) never changes.

Identity and time

Publication numberOT-2026-000059780 · never reused
Internal UUID01a0ae89-ec25-7c9f-89f5-24ecfbd6deb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059780
StatusPUBLIC

Content hashes

Canonical text4589da1a58c0b72da38d7538bf0df0fff200032c505d27f9e74a63264924174c
Markdowncdadf5afbdc4850ca21f936611c0beea780dccc06a43f6123070c47f5c624742
PDF
Publication page68b319a2266a72bc554598592e636b8a9d166c56d33afbbc48627446cf4cab08
Manifestdf074c1da428637ecd76ee2b821131d67d24cdf518594ce3114c3cf39032b239

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
SignatureEGF383ULu0qtnV3Iqq2ZQCXMQsYc1PgYu5YD+gWf+euBARe3saPypyDnP0rMfnfKe+g+mEVDEhfp7QO06ThmDQ==
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

2026-09-17T10:44:30.589773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059780
observed 68b319a2266a72bc554598592e636b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.571036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059780/manifest.json
observed df074c1da428637ecd76ee2b821131d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.553699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059780/publication.md
observed cdadf5afbdc4850ca21f936611c0beea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:30.536117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059780/publication.txt
observed 4589da1a58c0b72da38d7538bf0df0ff...
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.