OpenTechnical

OT-2026-000053998

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented before 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-2026-000053998) never changes.

Identity and time

Publication numberOT-2026-000053998 · never reused
Internal UUID01a0ae85-b3a7-72e2-a22f-ccde76ff5033 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053998
StatusPUBLIC

Content hashes

Canonical text7d5586d6417321dac39d0c1a1c5707be65c4b1bbda2d32bcade2cbdb8e865b38
Markdownf84a08e035087754434e61b07ea3082c7c1ea24824f5dc74b80a57f00cb03441
PDF
Publication page65f57d5762f018bcdc0c4610920615ead6a388de47210db7f1a21b1688c4f750
Manifest627e4ea9c861628cdf0f8b511ea352d1b2b51abfc24b1f0b59a0b1fc89060aaa

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
SignaturepBH793x/wm8kGTfbrdV0apXcMrrpN/WrNgJgWy7R2ivxxAkflVHQdeNqW25xBcROsGhWtrqfteYcqpG16r1yAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:19.465322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053998
observed 65f57d5762f018bcdc0c4610920615ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.425652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053998/manifest.json
observed 627e4ea9c861628cdf0f8b511ea352d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.386609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053998/publication.md
observed f84a08e035087754434e61b07ea3082c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:19.349348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053998/publication.txt
observed 7d5586d6417321dac39d0c1a1c5707be...
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.